350 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. 57. 



and generally smaller variety of L, californicus Mr. Davidson's name 

 of vancouveriensis must be used. 



The extreme variations in form of the variety vancouveriensis are 

 very puzzling. Some of the specimens so nearly approach the L. 

 morsel that it is only the presence of absolute gradations between 

 them and the more usual ovate type that decides one to keep them 

 distinct. Some specimens have a faint indication of uniplication 

 in the brachial valve, others have the front edge straight but pinched 

 together mesially as in L. Uanfordi with a suggestion of bilobation, 

 others again are frankly lenticular. Such differences in the same 

 species throw doubt on the value of plication in these recent forms as 

 a systematic character. The genital sinuses are threadlike and pro- 

 duced nearly to the front margin of the valves. 



LAQUEUS ERYTHRAEUS, new species. 



Terebratula californica Carpenter, Suppl. Rep. Brit. Assoc, pp. 568, 574, 1864. 



Not of Koch, 1848. 

 Waldheimia californica Carpenter, Suppl. Rep. Brit. Assoc, p. 636, 1864. ' 

 Laqueus californicus Dall, Amer. Joum. Conch., vol. 6, p. 123, pi. 7, fig. f; pi. 8, 



figs. 9, 10, 1870. 



Type locality.— OS^ Catalina Island, California, in SO fathoms. 

 J. G. Cooper. 



Cat. No. 



19395 

 1023 

 253007 

 253113 

 128793 

 110921 

 149961 

 193755 



Locality. 



Catalina Island, 80 fathoms. 

 Catalina Island, 120 fathoms 

 Catalina Island, 50 fathoms. 

 Catalina Island, 50 fathoms. 

 Catalina Island, 32 fathoms. 

 Catalina Island, 50 fathoms. 



Catalina Island 



California 



Collector. 



Cooper 



Cooper 



Paine 



Lowe 



Oldroyd... 

 Oldroyd . . . 

 Button. . . 

 S. F. Price 



Number 

 of speci- 

 mens. 



1 



Fr. 

 2 



3 

 1 

 5 

 2 

 1 



This shell is of a lovely red color, evenly suffused. It is thin 

 and usually larger than the L. californicus from whicli it can be 

 immediately separated by the broad heavy genital sinuses, visible 

 through the shell, with short wide lateral branches, recalling those 

 of Magellania venosa. 



LAQUEUS BLANFORDI Dunker. 



Terebratula Uanfordi Dunker, Index Moll. Maris Japonici, p. 251, pi. 14, figs. 4, 



5, 6, 1882. 

 Terebratella Uanfordi Davidson, Mon. Rec Brach., pt. 2, p. 83, pi. 15, figs. 9-12, 



1887. 



Type locality. — Near Wakayama, Japan. 



• The Waldheimia grayi of Carpenter's list on this page is the red variety of Ttrebratalia caurina Gould, 

 and his Terebratella coreanica is a reddish mutation of Terebratalia transversa Sowerby. Both grayi and 

 coreanica are Asiatic species. 



