354 Records of the Indian Museum. [Vol. XV, 



curved and half the length of the second, the fourth or terminal joint has 

 the usual claw-like appearance. 



Month parts (Fig. 4). — Labruni {La) extensively fused with the head, 

 distinguishable only as a curved line reaching the bases of the mandi- 

 bular palps. Mandibles {Md) with a short and broad basal joint, neck 

 long and narrow, the cutting blade much longer than broad, and armed 

 along the inner margin only. The mandibular palps elongated, with 

 seta on the upper surface only. Basal portion of the first maxillae 

 {mx. i) reduced to a circular papilla only, with two stout setae arising 

 from the centre. The second maxillae {mx. ii) have a broad basal 

 portion, while the distal portion (which is curved along its outer 

 margin) appears as a second segment, articulating with the basal 

 portion : this distal portion bears setae on its upper free surface. 

 Labium {Lb) small, flap-like, and triangular in outline. 



First four pairs of swimming legs (figs. 5 — 8) biramose, all the 

 rami three- jointed, except the exopod of the fourth pair, which has 

 two joints. The fifth pair reduced to an elongated process only. The 

 arrangement of spines on the first four pairs is as follows : — 



First exopod 

 „ endopod 

 Second exopod 

 „ endopod 

 Third exopod 



„ endopod 

 Fourth exopod 

 „ endopod 



Colour of specimens preserved in spirit creamy yellow, with a large 

 number of black pigment spots scattered on the dorsal surface of the 

 animal. Eyes blackish, trilobate, in the middle of the head. 



mm. 



Length ... ... ... ... ... 0-8 



Length of egg-strings ... ... ... 0-52 



Breadth of egg -strings ... ... ... 0-17 



From the gills of the Anahas scandens (Daldorf). Gosaba, Sunder- 

 bans, Bengal, 11th December 1917. 



Three specimens. Types in the collection of the Zoological Survey 

 of India, numbered j^-. This species is named in honour of Sir 

 Daniel Hamilton of Gosaba, in recognition of the help given by him in 

 the work of the Fisheries Department. 



Literature cited — 



1. Basett-Smith, P. W. — Some new or rare Parasitic Copepoda 



found on fish in the Indo-tropical region. 

 Ann. Mag. Nat. Hist. (7), Vol. 2, 1898.' 



2. „ A systematic Description of Parasitic 



Copepods found on fishes, with an enu- 

 meration of the known species. Prnc. Zool, 

 Sac, London, 1899, 



