470 Stimpson on the Crustacea and Echinodermata 
PINNIXA FABA. Stimpson. 
Pinnothera faba, Dana; U. S. Exploring Expedition, Crust. i. 381, Pl. XXIV. f. 4. 
The large palpi of the external maxillipeds in this species 
indicate its affinity with the Pinnize. 'The male resembles 
P. cylindrica, (Pinnotheres cylindricum, Say,) and is much 
smaller than the female, while the carapax is shorter and 
broader; its length bearing to its breadth the proportion, 
1:1.8. The hands are very large, and of nearly the same 
shape as in the female, the finger being, however, consid- 
erably more curved. 
d Length of carapax, 0.36 inch; breadth, 0.65. 
[11 €4 0.69 [1 4€ 1.05; 
Found in the large Lutraria of the Oregon coast. Puget 
Sound, (Expl. Exped.;) Shoalwater Bay, (Cooper.) 
Mus. Smithsonian; Expl. Exped. 
FABIA SUBQUADRATA. Dana. 
Fabia subquadrata, Dana; U. S. Exploring Expedition, Crust, i. 382, 
RAIVE S5: 
Distinguished from the preceding by its greater propor- 
tional length. 
Puget Sound, (Expl. Exped. ;) Farallone Is. (Trowbridge:) 
Mus. Expl. Exped. ; Smithsonian; Phil. Acad. 
Trine OXYSTOMATA. 
CALAPPA CONVEXA. De Saussure. 
Calappa convexa, De Saussure; Rev. et Mag. de Zodl. v. 362, Pl. XIIL f.3. 
Mazatlan, (Verreaux.) 
