









IV. 



Revi 



ew of the Numerical P 



roportion between the Genera and Species. 















[To face p. 



44. 





a 



b 



C 



d 



e 



f 



g 



ii 



a-g 



h 



i 



15 



31 



2-06 



k 



1 



h-l 



m 



nop 



ti 

 m-p 



q 



Cretaceo 



r 



us Penc 



r 



d, 



as 



q-f 



s 



t 



V. Tertiary Period. 

 U V W X 



s-x 



All the V. Periods. 



Sum 

 of of True 

 a-x I-V. 



I. PLANTS. 





 

 





 

 



21 



55 



2-62 



2 



2 



1-00 



121 



879 

 7-24 



15 



52 



3-46 



17 



2g 



1-70 



17C 

 1017 

 5-78 





 

 



4 



5 



1-25 



2(] 



62 



2-38 



45 



98 



2-lg 



30 



71 



2-37 



54 

 152 

 2-82 



1 



2 



2-00 



12 



16 



1-33 



97 

 241 

 2-48 





 

 



32 



77 

 2-41 



5 



7 



1-40 



37 



84 



233 



8 



10 



1-25 



30 

 136 

 4-53 



115 

 319 

 277 



53 

 110 

 2-07 



31 



48 

 1-55 





 

 



237 

 023 

 2-63 



592 

 3-'47 



463 

 4-44 



350 

 2055 

 5-87 



Number of species 





II. PHYTOZOA. 



20 



36 



1-80 



88 

 223 

 2-54 



68 

 228 

 3-35 



59 

 263 

 4-46 



I 

 1 



1-00 



I 



1 

 1-00 



6 



17 

 2-83 



243 

 769 

 3-12 



24 

 128 

 5-33 



1 



1 

 1-00 



12 



19 



1-56 



2 



2 



1-00 



39 

 150 

 3'85 



14 



29 



2'07 



122 

 579 

 4-74 



8 



16 



200 



2 



2 



1-00 



144 

 626 

 4-34 



63 

 149 

 2-36 



83 

 270 

 3-25 



184 

 1162 

 6-31 



310 

 1581 

 5'10 



13 



35 



2-69 



115 

 383 

 3-33 



134 

 476 

 3-55 



115 

 502 

 4-36 



117 

 412 

 3-52 



53 

 278 

 5-05 



547 

 2086 

 8-14 



1283 

 3 -SI 



2059 

 674 



811 

 604 



865 



... 

 61 



524 

 4895 

 9-34 



Number of species 



Proportion = 1 : 



III. MALACOZOA. 



44 

 260 

 5-91 



62 

 416 

 6-71 



94 

 979 

 10-4 



90 

 809 

 8-99 



35 

 143 

 409 



4 



7 



1-75 



3i 



94 



2-85 



362 

 2708 

 7-48 



63 

 603 

 9-58 



20 



38 



1-90 



44 

 109 

 2-48 



14 



26 



1-86 



141 

 776 

 5-50 



78 

 533 

 6-83 



132 

 1455 

 110 



66 

 242 

 3-66 



27 

 102 

 3-78 



303 

 2332 



7-70 



116 

 751 

 6-47 



101 

 566 

 5-60 



146 

 1500 

 10-2 



363 

 2817 

 775 



25 



39 



1-56 



199 

 2125 

 107 



218 

 2725 

 12-5 



93 

 783 

 8'45 



209 

 609 

 770 



146 

 642 

 4-40 



890 

 7281 

 8-18 



473 

 3885 

 29-3 



Number of species 





IV. ENTOMOZOA. 



37 

 218 

 5-90 



41 

 264 

 6-44 



31 



94 



303 



21 



43 



205 



10 



18 



1-80 





 

 



2 



4 

 2-00 



142 

 641 

 4-51 



1 



6 



600 



3 



3 



1-00 



5 



12 



2-40 



1 



1 

 1-00 



10 



22 



2-20 



32 



50 



1-57 



88 

 256 

 2-91 



2 



7 



3-50 



41 



69 



1-68 



173 

 382 

 2-21 



16 



35 



3-50 



8 



28 



3-50 



24 

 114 

 4-75 



42 

 177 

 421 



3 



11 



3-67 



21 



85 

 4-05 



134 

 251 



1-87 



431 

 1381 

 3-20 



19 



91 



479 



6 



9 



1-50 



614 



1828 

 2-98 



981 

 2"96 



783 



s'es 



686 

 2885 

 4-20 



Number of species 



Proportion = 1 : 



V. SPONDYLOZOA. 

 Number of genera 





 

 



5 



7 

 1-40 



47 

 110 

 2-34 



21 



65 



3-10 



37 



80 



2-17 



4 



7 



4-25 



19 



49 

 2-58 



133 



328 

 2-47 



3 



4 



1-33 



10 



12 



1-20 



19 



50 



2-63 



20 



77 

 3-85 



52 

 143 

 2-75 



41 

 172 

 4-20 



83 

 278 

 3-35 



22 



42 



1-91 



23 



60 



2-61 



169 

 552 

 3-27 



4 



10 



2-50 



44 



70 



1-59 



63 

 161 

 2-55 



111 



231 

 2-08 



1 



2 



2-00 



178 

 367 

 2-06 



117 



279 

 2-40 



151 

 311 

 2-06 



29 

 110 

 379 



152 



488 

 3-21 



627 

 1557 

 3-27 



1092 

 2-47 



801 

 3-37 



731 

 2701 

 370 



Number of species 





VI. ANIMALIA. 

 Number of genera 



101 

 514 

 5-09 



196 

 910 

 4-64 



240 

 1311 

 5-88 



191 

 1180 

 6-18 



83 

 242 

 2-92 



9 



24 



2-66 



60 

 164 

 2-73 



880 

 4445 

 5-05 



91 



741 

 8-14 



34 



54 



1-59 



80 

 190 

 2-38 



37 

 106 



2-87 



242 

 1091 

 4-51 



165 

 784 

 4-75 



425 

 2568 

 6-04 



98 

 307 

 3-14 



91 

 233 C 

 2-56 



789 

 892 

 4-02 



193 

 945 

 4-90 



236 

 934 

 3-95 



417 

 2937 

 7-04 



826 

 4816 

 11-3 



41 



87 



212 



513 

 2960 

 577 



603 

 3721 

 6-17 



790 

 2977 

 377 



374 

 2222 

 5-94 



357 

 1417 

 3-97 



2678 



13384 



5-00 



5415 

 4-50 



3260 

 7'47 



2414 



24366 



10-1 



Number of species 



Proportion — 1 • 





VII. ANIMALIA et 



VEGETABILIA. 



Number of genera 



101 

 514 

 5-07 



196 

 910 

 4-65 



261 

 1466 

 5-26 



193 

 1182 

 6-12 



204 

 1121 

 5-50 



24 



76 



3-17 



77 

 193 

 2-51 



1056 

 5462 

 5-18 



91 

 741 

 8-14 



34 



85 



2-50 



80 

 195 

 2-44 



63 

 168 

 2-67 



287 

 1189 

 4-14 



195 

 855 

 4-38 



479 

 2720 

 5-68 



99 

 309 

 312 



103 

 249 4 

 2-42 



886 

 133 

 4-66 



193 

 945 

 4-90 



268 

 1011 

 3-77 



422 

 2944 

 6-98 



863 

 4900 

 5'68 



49 



97 



1-98 



543 

 3096 

 5-65 



718 

 4040 

 5-63 



843 

 3087 

 3-66 



405 

 2270 

 5-60 



357 

 1417 

 3-69 



2915 



14007 



4-80 



6007 

 4-40 



3723 



7-6o 



2764 



26421 



959 



Number of species 



Proportion = 1 ; 



Proportion of separate 

 Classes of Animals. 



Amorphozoa = 1 ; 



Polypi = 1 ; 



Echinodermata ... = 1 ; 



Brachiopoda = 1 : 



Pelecypoda — l • 



1-00 

 2'23 

 1-00 

 137 

 5-00 

 211 

 5-00 

 6-30 



1-51 

 3-08 

 1-97 

 11-4 

 3-83 

 4-32 

 0-4 

 7-35 

 1-40 



1-80 

 304 

 4-55 



lO-l 

 8-20 

 8-20 



500 

 3-18 

 2-34 



4-00 

 5-58 



16-6 

 5-13 

 8-00 



15-2 

 2-31 

 3-10 



"i 



1-46 

 10-0 

 2-00 

 2-13 

 1-00 



1-75 



(li-b) 

 2-00 



... 



1-64 

 2-67 

 1 

 5'00 

 2-44 

 200 

 1-00 

 1-50 

 2-80 





7-33 

 2-50 



12-2 

 7-17 

 5-37 



13-6 



14-3 



1-33 



1 



100 

 2-30 

 2-00 

 1-00 

 1-00 

 1-66 

 I'OO 



1 

 1 

 2-00 

 3-33 

 3-09 

 2-00 

 4-50 

 2-67 

 3-08 



1 



"l 

 200 

 1-43 

 2-80 



5'80 





"i 



2-60 

 8-00 

 4-71 

 4-50 

 19-5 



2 

 3-94 

 5-86 

 100 



1-80 

 3-25 

 6-27 



16'0 

 0-6 

 7-90 



21-6 

 3-38 

 4-27 

 1-83 

 1-50 



i-'so 



2-33 

 1-50 

 4-02 

 3-31 

 2-60 

 1-00 

 2'45 

 1-36 



5'92 

 1-71 



400 

 4-78 

 1-21 





3-00 

 1-93 

 2-65 

 7-62 

 5-51 

 4-36 



15-1 

 2-28 

 3-33 



(1-00 



4-17 

 2-67 

 3-72 

 8-67 

 5-26 

 4-03 

 11-5 

 2-00 

 1-83 

 1-00) 



7-83 

 6-73 

 5-56 

 17-4 

 10-2 



7'98 

 14-6 

 3-31 

 2-87 

 1-00 





1 

 1-86 

 1-00 

 1-92 

 1-33 

 100 



1-33 

 3-41 

 3-64 

 4-33 

 9-16 

 12-0 

 6-00 

 2-12 

 2-11 

 275 

 1-90 



1-20 

 3'55 

 4-88 

 3'00 

 9-21 

 16-3 

 2-00 

 271 

 2-57 

 2-95 

 2-00 



470 

 2-08 

 1-80 



4-00 



4-27 



1-00 

 174 

 3-37 

 1-89 



3-00 

 4-51 

 3-39 

 7-67 

 6-54 

 8-86 

 4-00 

 5-15 

 3-18 

 2-00 

 6-50 



7-50 

 1-31 

 4'00 

 (4-00) 

 3-50 

 4'99 



1-50 

 (5-00) 

 2-40 

 3-32 





4-35 

 3-24 

 8-26 

 9-88 

 5-34 

 7-61 

 12-1 

 3-32 

 4-82 

 217 

 2-65 



6-50 

 578 

 11'5 

 220 

 13-3 

 16-9 

 25-4 

 4-90 

 6-56 

 3-02 

 3-69 



11-0 



10-1 



15-4 



39-5 



277 



30-2 



32-2 

 5-36 

 7-61 



Gasteropoda = 1 : 



Cephalopoda = 1 : 



Crustacea = i ■ 



Pisces 1 '. 



Reptilia = ij 



Mammalia '. = i j 



1-75 



1-86 



2-00 

 1-00 



3-31 

 375 



