112 



1546 Helix armigerus Ancey. 



1547 Helix loricata Gould. 



In the coast range and the Sierra Nevadas, from near San 

 Francisco to Mariposa and Klamath counties, Cal. 



1548 Ischnochiton cooperi Cpr. 



1549 Lyonsia (Entodesma) saxicola Baird. 



1550 Limax campestris occidentalis Cpr. 



1551 Variety zonatipes Cockerell. 



1552 Lininaa obrussa Say. 

 Synonymy: L: desidiosa Say. 



1553 Limnaea humilis ferruginea Hald. 



1554 liinina-a palustris Traskii Tryon. 



1555 Variety proxima Lea. 



1556 Variety Nuttalliana Lea. 



1557 Variety Rowellii Tryon. 



1558 Variety umbrosa Say. 



1559 Limnaea bombycina Lange. 

 Introduced, San Francisco Co., Cal. 



1560 Mytilus edulis glomeratus Gld. 



1561 Mopalia ciliata Hindsii Shy. 



1562 Pleurotoma Carpenteriana Gabb. 

 Synonym of Genota carpenteriana. 



1563 Purpura saxicola ostrina Gld. 



1564 Physa Gabbi D'Orbiguyana Lea. 



1565 Variety Traskii Lea. 



1566 Physa virginea Gould. 



1567 Scala Groenlandica Perry. 



1568 Saxicava arctica L. 



The San Francisco specimens are perhaps pholadis L. 



1569 Standella californica Conrad. 



1570 Tapes staminea ruderata. See No 2179. 



1571 Zonites cellarius Mull. 



Berkeley, Cal. (Orcutt). Introduced, abundant. 



1572 Pholadidea penita parva Tryon. 



o 



1573 Dore, Harry E.: 



Mollusks in the Portland, Oregon, market. Nautilus 5:58. 

 Mentions Amusium caurinum Gld., Machaera patula, etc. 

 o 



1574 Taylor, G. W.: 



Land shells of Vancouver Island. Nautilus 5:91. 



Mentions 32 species, numbers 652, 48? 1200, 6, 1198, 1199, 

 1195, 1196, 1209, 956, 957, 1204, 1205, 1203, 1029, 1206, 1207, 

 1063, ±128, 1080, 1083, 448, 1082, 1201, 1202, 28, 31, 1213, 

 1575-1577. 



1575 Lysinoe fldelis Gray. 



1576 Pupilla corpulenta Morse. 



1577 Selenites sportella Gould. 



1578 Prohysaon Andersoni marmoratus Ckl. 



Wood, Nautilus 5:94 records this, Limax agrestis, L: maxi- 

 mus, and the two following numbers, from San Francisco Co., 

 Cal., making a total of 126 species. 



1579 Mopalia Wossnessenskii Swansii 



1580 Acmaea fenestrata Nutt. 



