170 



2495 Rostanga pulchra 



2496 Cadlina marginata 



2497 Cadlina flavomaculata 



2498 Doriopsis fulva 



2499 ^gires albopunctatus 



2500 Laila 



2501 Laila Cockerelli 



Also found at La Jolla and San Diego, Cal. (Ckll). 



2502 Triopha maculata 



2503 Triopha grandis 



2504 Polycera atra 



2505 Acanthodoris Hudsoni 



2506 Acanthodoris brunnea 



2507 Ancula Paciflca 



2508 Hopkinsia 



2509 Hopkinsia rosacea 



Also collected at La Jolla, San Diego, Cal. (Miss V. Thomas). 



2510 Williamson, Mrs. M. Burton: 



Some West American shells. So Cal acad sci b 4:118, de- 

 scribes 3 forms as new (numbers 2511-2513). 



2511 Corbula luteola rosea 



2512 Drillia moesta maculata 



2513 Caliiostoma canaliculatum parvum 



2514 Cerithidea sacra ta hyporhyssa 



Berry, Nautilus 19:133, f. — -Smooth or nearly so, more taper- 

 ing than the typical form, quite heavy and solid, callus of aper- 

 ture lighter and browner, aperture smaller and less inflated. San 

 Diego, Cal. 



2515 Cerithidea sacrata pullata 



A heavily ribbed form named by Gould. 



2516 Lymnaea Hinkleyi 



Baker, Nautilus 19:142. Snake river, Idaho (A. A. Hinkley). 



2517 Whiteaves, J. F.: 



Notes on some fresh-water shells from the Yukon territory. 

 Nautilus 19:1. 



2518 Hemphill, Henry: 



A second contribution to West Coast conchology. Nautilus 

 19:5-8, 19-24. 



2519 Epiph. sequoicola soqueli 



"Shell broadly umbilicate, thickly and regularly striate, very 

 dark brown approaching black, of uniform color with the excep- 

 tion of 2 parallel white bands above the middle of the body-whorl, 

 shell depressed with depressed spire, whorls 7, the last much in- 

 flated, strongly banded within. Greater diam. 28, height 12 

 mm." — Rowell, Nautilus 19:41. 



Type locality: "Santa Cruz Mts., Cal., midway between Soquel 

 creek and Skyland." 



2520 Oreohelix yavapai compactula 



Cockerell, Nautilus 19:46. Pecos canyon, N. M. (pleistocene). 



2521 Williamson, Mrs. M. Burton: 



