Thomson. — On a New Polynoid. 



241 



Mm. 



Space of notch in dorsal ... ... 8 



Continuous dorsal ... ... ... 80 



To caudal ... ... ... ... 15 



Extension of caudal rays ... ... 21 



Snout to pectoral ... ... ... 23 



„ ventral ... ... ... 21 



„ vent ... ... ... 48 



Length of pectoral ... ... ... 27 



„ ventral ... ... ... 20 



Snout to eye ... ... ... ... 9 



Diameter of eye ... ... ... 4 



Fin Formula. — B., 4 ; D. 

 and indistinct) ; A., 10; LL., 



Scales very minute. 



Body compressed. Height one-quarter of length and one- 

 sixth less than length of head. 



Pair of branched tentacles from above the snout, not from 

 the nostril. 



Colour uniform light-brown, with four oval translucent 

 spots on the dorsal fin. 



Teeth minute on jaws and vomer. 



Gill-opening wide. 



Tail slightly unsymmetrical, and caudal distinctly separate 

 from both dorsal and anal. 



hoc. Bay of Islands ; collected by Mr. Stephenson. 



3-33 ; P., 8 ; V., 3 (but broken 

 22-3-5, interrupted. 



EXPLANATION OP PLATES XIV., XV. 

 Plate XIV. 



A. Female of Callorhynchus antarcticus. 



B. Male cf Callorhynchus antarcticus. 

 G. Female of Ghimcera colliei. 



D. Male of Chimcera colliei, L. (after Giinther). 



Plate XV. 

 Auchenopterus aysoni. 



Aet. XXVII. — On a Neiu Polynoid. 



By W. Malcolm Thomson, M.A. 



[Read before the Otago Institute, 8th October, 1901.] 



Polynoe comma, n. sp. 



Body slender, long, linear, tapering slightly at the hinder 

 end. Average length 50 mm., and breadth 6 mm. (spirit 

 specimens). 

 16 • 



