100 bulletin: museum of comparative zoology. 



SiPHONOPHORIDAE. 

 269. SiPHONOPHORA ATOPA, sp. nOV. 



Type.— M. C. Z. 4,579. Paratypes.— M. C. Z. 4,.580, Fijis: 

 Nadarivatii (W. M. Mann). 



General color above somewhat dusky brown, the head and first segment or 

 two more ferruginous; a series of black dots along each side; antennae dusky 

 over a brownish or fulvous ground. 



Rostrum long and curved, more than twice as long as the head. Antennae 

 clavate to middle, then of nearly uniform width to distal end; sixth article 

 cyUndrical, the seventh much reduced and often invisible in side view; only 

 shghtly exceeding the rostrum. 



First tergite with anterior margin conspicuously incurved at middle; a 

 Uttle longer than the two succeeding tergites together; lower anterior margin 

 or corner on each side widely rounded; caudal lower corner subrectangular; 

 lower margin slightly convex, on a level with the others. 



Dorsum very densely clothed with short straight hairs, those of the last 

 tergite and those of the head longer than the others. Pleurites with caudal 

 margin convex; inner margin distinctly emarginate near middle. 



Legs of first six somites stouter than the others, decreasing gradually from 

 the first pair through this series, the claws of these legs also stouter. 



Posterior gonopods with distal article long and slender, distally with funnel- 

 shaped expansion but not at all uncate, the funnel symmetrical; a spine at 

 base as usual, this short. Distal article of anterior gonopods elongate; ectal 

 basal spine long, acute, appressed to the principal lobe. 



Number of somites, sixty-five to seventy-five. 



Length, up to 20 mm. 



270. SiPHONOPHORA ZELANDICA, Sp. nOV. 



Type.— M. C. Z. 4,.577. New Zealand : Day's Bay, near Welling- 

 ton, August 17, 1914 (W. M. Wheeler). 



Fulvoferruginous above; a series of small yellow spots along each side; 

 a darker stripe across each tergite and a darker middorsal longitudinal fine. 



Hairs throughout very short, uniform. Rostrum short and slender, much 

 shorter than the head; slightly curved. Antennae missing. 



First dorsal plate equal to the two succeeding ones together; lower margin 

 rounded, extending below the level of the others. Pleurites with caudal margin 

 convex, the ectal straight; inner margin only very obscurely incurved or 

 indented near middle. 



Number of segments, fifty -four. 



