Venn . ( i 
r 
BY 
Florence Buchanan, B.Sc. 
CONTENTS. 
I. Titles . . . , .. . 
Page 
. 2 
II. Biological. 
General . . . . . < 
; 19 
Head and Appendages . 
. 19 
. Integument ..... 
Muscular System . . . 
. 20 
Digestive System . ; . 
. 20 
Body Cavity and its contents, 
Parenchyme, &c. ... 20 
V ascu lar System and its con- 
tents 21 
Respiratory Organs . . . 21 
Excretory System . . . • . 21 
Nervous System 21 
Sense Organs. ... . . 21 
Genital System 22 
Reproduction 22 
Development and Life-His- 
tory ........ 22 
Metamerism, Variations 
therein ; other Variations 23 
Habits, &c. ...... 24 
Parasites of Vermes . . . 24 
Methods 24 
Classification . . . . . 25 
Physiology and Experimental 
Observations . . . . . 25 
Medical Notes . . v . . 25 
1895. [VOL. XXXII.] 
Biological — continued. 
Distribution of Parasitic 
and Commensal Forms 
according to their Hosts . 26 
Faunistic. 
Marine Forms ..... 28 
< Land and Freshwater Forms 29 
III. Systematic. 
Hemichordata 32 
Annelida ..... . . 32 
Gephyrea ...... 32 
Chaetopoda 32 
Polychaeta, inch Dino- 
philusand Polygordius 32 
Oligochaetfa; incl. Myzo- 
stomidae and Branchi- 
obdellidaev ... . 34 
Hirudinea .... , * . 38 
Platyhelmiuthes .... 38 
Cestoda . . . . • . . 38 
Trematoda. . . $ . . 40 
Nemertinea . . ... 41 
Turbellaria. ... . . 43 
Nematoda, Acanthocephali, 
and Chaetognatha . . 44 
Nematoda . . ■. ■ t . . 44 
Gordiidae < . . . . . , . 45 
Acanthocephala .... 46 
Chaetognatha ." . . . . 46 
Rotifera . . . • \ 46 
Mesozoa [vacant]. 
F 1 
