42 



THK NAUTILUS. 



Truncatella stimpsoni Stearns. 1 

 Liotia acuticostata Cpr. 

 Liotia fenestrata Cpr. 

 Ethalia supravallata Cpr. 

 Phasianella compta Gld. 

 Phasianelia compta, var. 



pulloides. 30 fathoms. 

 Eulithidium sulistriatum Cpr. 

 Pornaulax undosus Wood. 

 Clilorostoma fiiriehnile A. Ad. 

 Clilorostoma gallina Fhs. 

 Gibbula succincta Cpr. 

 Leptothyra hacula Cpr. 

 Leptothyra carpenieri Pile. 

 Leptothyra paucicostata Dall. 

 Cnlliostoma splendens Cpr. 

 Tmchiscus norrissii Sby. 

 Margarita acuticostata Cpr. 30 



fathoms, 



Scissurella rimuloides Cpr. 

 Haliotis cracherodii Leach. 

 Haliotis fulgens Phil. 

 Fissnrella volcans Rve. 

 Cly])ide'la calliomarofmata Cpr. 

 Megateheimus himaculatus Dall. 

 Acma?a persona Esdi. 

 Acmrea srabra Nutr. 

 Acmasa rosacea. 4 fathoms. 

 Acmsea spectrum Nutt. 

 Nacella incessa Hds. 

 Nacella paleacea Gld. 

 Williamia peltoides Cpr. 

 Lottia gigantea Gray. 

 Ischnochiton conspicnus Cpr. 



Isclmochiton magdalenensis Rve. 



Rather common, but no large 



ones found. 



Is(;lmocliiton mertensii Midd. 

 Ischnochiton sarcosus Dall. 

 Callistochiton crassicostatus Pils. 

 Callistochiton intbrtunatus Pils. 

 Mo|ialia muscosa Gld. 

 Lepidopleurus (Oldi-oydia) per- 



crassus Dall. ''Not in Pils- 



li - y's Monograph.'' 

 Chaetopleura hartwegii, var. 



nuttalli Cpr. 

 Tornatina inculta Gld. 

 Tornatina harpa Dall. 

 Tornatina recta d'Orb. 

 Gadinia reticulata Sby. 

 Helix stearnsiana Gabb. 

 Saxicava arctica Linn. 

 Semele decisa Cour. 

 Cumingia californica Conr. 

 Tellina bodegensis Hds. 

 JMacoma seota Cour. 

 Petricola carditoides Cour. 

 Venus fordi Yate<.? V. toreuma 



Gld. 



Psephis salmonea C 1 pr. 

 Psephis tantilla Gld. 

 Tivela crassatelloides Cour. 

 Saxidomax nuttalli Cour. 

 Tapes staminea Cour. 

 Chama exogyra Cour. 

 Chama pellucida Sby. 

 Chama spinosa Sby. 



1 In "NAUTILUS," Nov., 1901, Dr. Pilsbry describes T. stimpsoni ffuadalupensis, 

 found by Mr. R. E. Snodgrass in Nov., 1899, as the first specimens of this genus 

 found on any of the islands off Lower California. The above two species were 

 collected in August, 1899. 



