10 PROCEEDINGS OF THE CALIFORNIA 



PrionoiMx spinicarpus. M. Edwds., Ann. des Sci. Nat., 3d series, XVIII, 

 161. [bid. Archives dn Mus. d'Hist. Nat., VII, 167, PI. VI, f. 3. 

 Stinipsou, Notes ou N. Amer. Crust.. 13. 



'28. Euryplox }>olitns. S. I. Smith. 

 Panama. 



29. Glyptoplax piupiax. S. I. Smith. 

 Panama. 



30. Encrate ('(ilifoiniensh. Lockington, Proc. Cal. Acad. Sci.. Feb. 7, 1876. 

 No. 61. San Diego, (Hy. Hemphill"), dried. 



This sijecies is certainly neither of the jDreceding, bnt appears to closely 

 resemble Stimpson's Speocnrcinns Carolincnsis. 



PINNOTHERIDiE. 



31. Pinnotheres fabd. Dana, U. S. Ex. Exp., 1, 3iSl, pi. 2i, tig. 4. I'innijca 



faba. Stimpson, Crust. audEchi., P. S. N. A., p. 30. 

 Found in the large Liitraria of the Oregon coaht. 



32. Pinnolhvrett murii'trita. S. I. Smith, Trans. Com. Acad., Vol.11, p. 1G6, 



Verrill. Amer. Nat., Ill, 245. 



Two females of this species was brought by Mr. \V. -T. Fisher from Mulege 

 Bay, Gulf of California. 



' " Every where covered, except the diictylus of the right ambulatory leg of 

 of the second pair in the female, and tips of the others in both sexes with a 

 very short and close, clay-colored pubescence, much like a uniform coating of 

 mud." 



Found in the pearl oyster, Mdnjdr'dophord fimhrlafd. 



A new species of Pontonia {P. mnrg'triUi, Lockingtou,) is mentioned by Mr. 

 Fisher as having been taken from M(ir<iaritan<i inari/aritiferu, at Port Escon- 

 dido, Gulf of California, but as Mr. Fisher's collections were almost exclu- 

 sively marine, it is not unlikely thiit the above mentioned mollusk was the 

 one he meant to indicate. 



33. Pinnotheres lithodotni. S. I. Smith, Trans. Conn. Acad., loc. cil. 

 From Lithodotnus aristatas. Pearl Islands, Panama. 



34. Pinnotheres (unielica. nov. sp. 



Carapax smooth and shining, soft and slippery, without sutures, (when 

 undried) somewhat transverse. External maxillipeds widel.v divaricate pos- 

 teriorly; the third joint shaped like a boomerang, the external convex margin 

 more curved than the concave internal margin; distal extremity rounded and 

 <>iliate on its internal edge, terminal joints ciliate. Chelipeds smooth, cylin- 

 drical, save that the manus is somewhat compressed distally; dactylus short, 

 about half as long as the posterior pari of the propodus, and equal in length 

 to the propodal finger; both fingers hooked at the end, without teeth on their 



