324 



PALEONTOLOGY OF NEW-YORK. 



GENERA AND SPECIES. 



10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 1 



10 

 11 

 12 

 13 

 U 

 IS 



16 



17 



18 



19 



20 



1 



1 



2 



3 



4 



5 



G 



7 



Orbicula ? subtruncata, Hall. 



— ? crassa, 



— caelata, 

 Leptaena plicifera, 



— incrassata, 



— I'asciata, 



— alternata, Conrad 



— camerata, " 



— deltoidea, " 



— tenuistriata, Sotcerby. 



— alternistriata, Hall . . 



— sericea, Sowerby . . . 



— filitexta, Hall 



— planumbona, " 



— defincta, Conrad 



— recta, " 



— planoconvexa, Hall . . 



— tenuilineata, Conrad 



— subtenta, " 



— {sp, indet.) 



Orthis costalis, Hall 



testudinaria, Dalman 



subsequata, Conrad 



bella-rugosa, " 



disparilis, " 



perveta, " 



equivalvis, Ka// 



fissicosta, " 



tricenaria, Conrad 



plicatella, /faW 



pectinella, Conrad 



— var. semiovalis, Hall. 



insculpta. Hall 



dichotoma, '' 



subquadrata, " 



occidentalis, " 



— smuata, " 



— subjugata, " 



— erratica, " 



— centriUneata, " 



Delthyris biforatus, oar. lynx, Eich. 

 Atrypa dubia. Hall 



— acutirostra, " 



— plena, " 



— plicifera, *' 



— altilis, " 



— extans, Conrad 



— nucleus. Hall 



— cuspidata,t " 



Plate and figure. 



Ixxix, 

 Ixxix, 

 Ixxix, 

 iv bis, 

 iv bis, 

 iv bis, 

 [ xxxi, 1 

 t Ixxix, 

 xxxi A, 

 xxxi A, 



xxxi A, 

 xxxi B, 



- xxxi B, 

 I Ixxix, 



" xxxi B, 



xxxi B, 

 xxxi B, 

 xxxi B, 



xxxi B, 

 xxxi B, 



xxxi B, 



xxxi B, 



iv bis, 

 \ xxxii, 

 Ixxix, 

 xxxii, 

 xxxii, 

 xxxii, 

 xxxii, 

 xxxii, 

 xxxii, 

 xxxii, 

 xxxii, 

 xxxii, 

 xxxii, 

 xxxii, 



1 a,b 



8 a, b 



9 a, b, c 



1 a, b 



2 a, b, c 



3 a, b, c 



; xxxi A, 

 2 a- I 

 2 0,4 



■ia-f 



1 o, ft, c 



2 o - A 



3 a,b 



3 a-/ 



4 a-/ 

 .5 a, b 

 6 a, ft 



, 1 a - d 



, 9 a, ft 

 , 10 a, A, c 



4 a, A 



1 a-l 

 4 a - e 



2 a-/ 



3 a, ft, c 



4 n. A, c 



5 a. A, c 

 C> a, b, c 

 1 a, b 

 8 a- e 

 9a-g 



10 a- e 



11 a. A, c 



12 a, 6, c 



xxxii, 13 a, b 

 xxxii A, 1 

 xxxii A, 

 xxxii B, 

 xxxii B, 

 xxxii c, 

 Ixxix, 

 Ixxi 



.X 



2 a- q 

 \ a - e 

 2 a- s 

 1 a - m 

 5a-/ 

 6* a, 6, c 



xxxii D, 



iv bis, 

 iv bis, 

 iv bis, 

 iv bis, 

 iv bis, 

 xxxiii, 

 xxxiii, 

 xxxiii', 



1 a- 



u 



6 



7 a - e 



8 a- dl 



9 a- d 



1 a, b 



2 a,b, c 

 1 a-h 



290 

 290 

 290 

 19 

 19 

 20 

 102 

 2S6 

 lOti 

 lOfi 

 lOS 

 109 

 110 

 287 

 111 

 112 

 113 

 113 

 114 

 115 

 115 

 116 

 20 

 117 

 2S8 

 118 

 118 

 119 

 120 

 120 

 121 

 121 

 122 

 123 

 124 

 125 

 125 

 126 

 127 

 128 

 12S 

 129 

 2S8 

 2S9 



i:):j 



21 

 21 

 21 

 22 

 23 

 137 

 1.38 

 138 



Rocks & Groups. 



+ 



+ 



+ 



+ 



' Erroneously referred to fig. 5 on page 289. 



t J?, cuspidata figured on supplementary plate xxxiii* 



