PLATE IV 
? Bispira melania 
Fig. 1. Single coil of intestine seen from end 
2. Coils of intestine seen from side 
3. Diagram of ‘‘hearts’’ 
a (Esophagus 
b Stomach 
e Segments 1, 2, 3, 4, 5, 6, 7 
d Abdomen 
Fig. 4. Section of anterior region of abdomen 
a Ceca 
b Intestine 
e Chlorogogen 
Fig. 5. Longitudinal section in region of intestine x 4 
a Cireular muscle 
b Longitudinal muscle 
e Section of coiled intestine 
d Food in intestine 
e Septum 
f Section of cecum 
g Sections of ventral blood vessel 
Fig. 6. Portion of nerve cord 
7. Sete with parallel striations 
8. Sete with bent edge 
9. Hooked sete from torus 
