30 
3. PHARELLA. 
1. P. javanica (fig. 12). 
Fig. 12.—Pharella javanica. 
a’ 
TT ELOY, TOO CELEEL 
ah Tt 35 
C14 2 
AMAIA ills 
CCU fC 
aa, adductor muscles. jp, palpi. J, liver. h, heart. 
4. PHARUS. 
1. P. legumen, t. 344. f. 2, 3, 6. 
+t Siphons much produced, large, united, covered with a thick peri- 
ostraca, Retractor siphonal muscles small. Siphonal in- 
flection very small. 
5. CYRTODARIA. 
1. C. Glycimeris, t. 345. f. 3, 4, 5 (fig. 13). 
Fig. 13.—Cyrtodaria Glycimeris. 
AA 
SSG Ga AANA 
aa, adductor muscle. =p, pedal muscle. _ s, siphonal muscle. _f, foot. 
t, palpi. g, gills. 
ttt Siphons elongate, with large fan-shaped retractor muscles. 
Siphonal inflection deep, rounded. 
§ Siphons very large, united, covered with a hard periostraca. 
Shell compressed. Hinge-teeth 3° 3, compressed. 
6. SILIQUA. 
§§ Siphons large, united at the base, covered with a hard peri- 
ostraca. Shell subcylindrical, Hinge-teeth conic. 
7. GLYCIMERIS. 
1. G. australis, t. 346. f. 2. 
2. G. Aldrovandi (Proc. Zool. Soc. 1855, fig. p. 218). 
