202 SHELLS OF LOWER CALIFOBNIA— STEARNS. vol.xvh. 



N. M.); the first collected by the late Dr. Gabb in 1867, the last by Mr. 

 Fisher, who also collected it in Magdalena Bay (No. 58845, U. S. N. M.). 

 The National Museum contains, in addition to the foregoing, a very 

 fine series collected by Mr. Henry Hemphill on the outer coast of Lower 

 California. 



PALLOCHITOIS LANUGINOSUS, Carpenter. 



Two examples. Loreto (No. 58863, U. S. N. M.) Gabb. 



CH/ETOPLEURA BE ANII, C a r p e ii t e r . 



One example. 



Mazatlan (No. 58874, U. S. N. M.), off of Patella mexicana; it was deter- 

 mined by Dr. Carpenter. 



Family L ( ) p H y r i d ^ . 



CHITON ALBOLINEATUS, Sowerby. 



Several examples. 



Mazatlan (No. 59230, U. S. N. M.), collected by Henry Edwards; 

 also three specimens Stearns collection (No. 58765, U. S. N. M.), Todos 

 Santos Bay, Lower California, 



A very distinct and beautiful species. Eeported also from Acapulco. 

 This species shows considerable variation in color markings, some 

 plates being unicolored, others on the same individuals beautifully 

 picked out with white. 



Staperfamily OPSICHITONIA.. 



Family M ( ) p A l t i d ^ . 

 ACANTHOCHITES EXQLTISITUS, P i 1 s b r y . 



Several examples. 



Los Animas Bay (No. 58826, XJ. S. N. M.) very large specimens (Nos. 

 58874, 58829, and 58828, U. S. X. M.). A fine series of these extraor- 

 dinary forms all from the same locality, of a delicate lightish sea-green; 

 a beautiful variety of a pale salmon-color or reddish-buflf is illustrated 

 by one example (No. 58830, U. S. N. M.); the branches or tufts of long 

 fibrous spicuhe resemble simn glass. This remarkable form is rarely 

 met with in collections and its exact habitat has heretofore been uncer- 

 tain. Pichilinque Bay, one example on MargariUphorafimbriata,, Alba- 

 tross. 



To facilitate reference, the sjiecies above listed as occurring at the 

 Tres Marias Islands have been brought together on \). 203. 



