

hl median keel, but n<i dorsal spines 

 n,, r tul about cirrus segments i6 26 



mm. long; division series rather broad with 

 . though iiot in contact beyond the IBr 



'hilippine [slands to Singapore) quindupiica; 



with dorsal spines; division series narrow, 



ally, well separated, without produced margins 



.irms up to 125 mm. in length; P, and 1' very long 



perfectly smooth, evenly tapering, composed of 



jments; cirri with 23— 33 (usually 25 — 30) segments 



which the outer bear long dorsal spines (Red Sea to the 



an Gulf and Kurrachi] savignii 



over 80 mm. Kuil;: enlarged lower pinnules composed 

 of about 30 segments; cirri composed of 40 — 50 segments of 

 which the outer bear prominent, though not especially long, 



dors. il spines (Aru Islands; Queensland) nematodon 



omponent segments of the enlarged proximal pinnules with spinous 

 distal edges. or with a production of the distal portion, or all, of the 

 prismatic angles, so that each segment lias three distal tubercles, or 

 three broad thin longitudinal lateral proces 



c 1 enlarged lower pinnules with numerous short cylindrical segments 

 which have everted and spinous distal borders; 28 — 37 cirrus segments 

 of which the outer bear long dorsal spines; 23 — 2N arms 50 mm. 



to 140 mm. Ioiilc Amboina to Canton, China) variipinti 



■ nlarged lower pinnules with more or less strongly prismatic segments 

 which bear more or less developed tubercles at the prismatic angles 

 on the distal borders, or broad longitudinal lateral processes with the 

 bases coinciding with the prismatic rid 



d' small and delicate species with not more than 1 3 arms which are 



from 50 mm. to 100 mm. in length; cirri slender, the outer 



gments long, as long as, or longer than, broad; the segments 



the lower pinnules have the distal ends of the prismatic angles, 



pecially the dorsal, swollen and produced, sometimes crowned 



with spines 



e 1 cirri composed of 23 — 26 segments which after the tenth or 

 venth an- about as long as broad (Maldive Islands to 



Singapore) producta 



omposed of 30 — 33 segments all of which are about twice 

 mg as broad at the e.\pand<d <-nds .Java Sea) . . propinqua 



P. H. < 1 en I 



i : 1 Soo. 



