KXI'KDITION TO I'OINT iSAIMtOW. ALASKA. 183 



Aeolidia papillosa (I, lime) Jlrr^h. 



With tin- last, and also crawling on Ilir stones, at low-water near tin- station. Museum num- 

 ber, IHMi:;. 



NOTE. This completes the list of gastropods, but it ma\ In- mentioned that a .specimen of 

 I'l'icin- om/oHciixr Itedf. was brought by tlie expedition from I'nalashka, but. beloii<iiiij to a. difler- 

 (Mit fauna, it has not been formally included in the list. 



ACEPHALA. 

 Mya truncata \Annf. 



Living- on the beach near the station of Uglaiimi. Museum number, 41004. 



Macoma sabulosa Sjn'iijjler. 



Beach near the station and at Cape Smythe in L'i to 5 fathoms. Museum number, 41005. 



Liocyma fluctuosa (fild.) ]>all. 



Cape Smythe, l'A to ~> fathoms: also 10 miles west of I'oinl Franklin, in 13J fathoms mud and 

 sand. Museum number, 4100G. 



Cardium (Serripes) grcenlandicum Cliemiutx. 



Living near low-water mark to i'i fathoms at the station; also Nortou Sound at 5 fathoms, and at 

 Cape Smythe in 2i to 5 fathoms. Collector's numbers. 195 and 1701. Museum numbers, 41007-S. 



Cardium islandicum (.imeliii. 



Xorton Sound, in 5 fathoms mud. Museum number, 41000. 



Cryptodon sericatus Carpenter. 



At Cape Smythe, in 5 fathoms ; also off Point Franklin in 13A fathoms, mud and sand. Mu- 

 seum number, 11010. 



Astarte (Rictocyma) Esquimalti (Baird) Ball. 

 Crassatella EtqnimaUi Baird. 

 Riclocyma miraltitts Ball (young). 



Two specimens, 10 miles off Point Franklin, in 13J fathoms. Museum number, 41011. 



Astarte fabula ROOM 



Xorton Sound in 5 fathoms. Museum number, 4101L'. 



Venericardia borealis Conrad. 



One specimen of the variety V. noranglia' Morse was found oil the beach near the station. 

 Museum number, 41013. 



Yoldia limatula Say. 



One specimen from 15 fathoms, mud, off Point Barrow. Museum number, 41014. 



Yoldia myalis Outhony. 



( )l'f < 'ape Smyt he in 2.^ to 5 fathoms. Museum number, 41015. 



Yoldia lanceolata Sn\vi>rby. 



With the last. Museum number, 41015. 



Pecteu islandicus Cinclin. 



Living, off Point Franklin in KJJ, fathoms; dead, on the beach near the station. The color of 

 these northern specimens is apt to be of a peculiarly deep rich tint of red in various shades. The 

 living specimen carried on its upper valve a line specimen of Chelysoma inacJcayrtniim, an Actinia, 

 numerous .Sertularian h.xdroids. and several species of Polygon. Museum number, 4101(1. 



BBAOHIOPODA. 



HUyiichoiiella (Hemithyris) psittacea (Cli.) ]>'0ilii^ny. 



Attached to dead shells from l.'U fathoms off Point Franklin. Museum number. - 



