NO. 13 



POLYCHAETOUS ANNELIDS HARTMAN 



HARMOTHOE LANCEOCIRRATA Treadwell 



Figs, i, a-e 



Harmothoe lanceocirrata Treadwell, 1928, p. 454- 



Harmothoe lanceolata Treadwell, 1928, explanation of figures. 



Collection. — Station No. 30-38; 1 specimen. 



The single individual is not quite complete posteriorly. It consists 

 of 26 anterior segments, 16 mm. long; the last segment is the thir- 



U 



Fig. 1. — Species of Harmothoe and Scalisetosus. 



a-e, Harmothoe lanceocirrata: a, prostomium, in dorsal view, the right antenna 

 indicated in dotted outline, X 40 ; b, tenth elytrum, from right side, X 15;/'. 

 simple, bifid, and trifid spines from tenth elytrum, X 40 ; d, a long notopodial 

 seta from a median parapodium, X 78 ; e, a neuropodial seta from middle part 

 of fascicle, taken from a median parapodium, X 78. 



f-k, Scalisetosus, sp. : /, prostomium, bases of palpi, and part of right first 

 elytrum, X40; g, elytrum from near middle of body, the elytral scar indicated, 

 X 20 ; h, portion of elytrum, with 5 marginal papillae and a larger surface spine 

 with soft terminal knob, X 175 ; i, inferior neuropodial seta from a median 

 parapodium, Xi75l j, tip of a notopodial seta from a median parapodium, 

 X 175; k, tip of a superior neuropodial seta from a median parapodium, X 175- 



teenth elytrophorous. Body colorless save for 4 black eyes ; setae 

 and acicula pale straw-colored. All cirri have been lost except the 

 left prostomial antenna, this is hirsute, and has the proportions shown 

 by Treadwell (1928, p. 454) for the right prostomial antenna. All 

 elytra missing except the tenth from the right side ; it is only slightly 



