462 BULLETIN 54, UNITED STATES NATIONAL MUSEUM. 



shorter than the angulatious. The outer ramus is almost as long as 

 the inner (37: 39). 



"Color, 3'ellowi8h white. 



"Length, 21.5 mm.'' — Bovallius. « 



lOLELLA TRIANGULATA (Richardson). 



lanthe triangulata Richardson, Proc. I'. S. Nat. Mus., XXI, 1899, pp. 857-858; 

 Ann. Mag. Nat. Hist. (7), IV, 1899, pp. 323-324; American Naturalist, 

 XXXIV, 1900, p. 299. 



Locality. — Monterey Bay, California. 



Surface of body smooth; color yellow, marked with black dots. 



Fig. 517.— Ioleli,a triangulata. 



Head with rostrum in front equal to ono-half the length of the head. 

 Anterior margin lobate between the rostrum and the lateral angula- 

 tions. The side of the head is produced in two angulations, the upper 

 one extending in an ol)lique direction and not reaching beyond the 

 anterior margin of the head. The lirst pair of antenna^ are not as long 



aBihang till K. Sv. Vet. Akad. HandL, XI, No. 15, 1886, p. 35. 



