264 AMPniPODA NOKMALIA. 



the base and t:ii)ri-ing tuwards tlic cxtirmity ; ramus short, robust, 

 tapering, tijipcd ■nith obtuse, short, cun'cd spines. Telson ha\'ing 

 about six rows of teeth upon each lobe. Colour corneous, sparingly 

 covered with black dots. 

 Length ^ths of an inch. 



llah. Oxwicli Bay, Glamorgan (C. S. B.) ; Plymouth (Mr. Stexrart 

 and C. S. B.) ; Northumberland (liev. A. M. Isormaa) ; Atlantic 

 Ocean (Tenij^hton). 



Templeton describes the colour of the eyes of his specimen as 

 black, with a pale encircling ring ; but in all other respects it ap- 

 pears to agree Avith the British species. 



3. Cerapus Hunteri, n. s. (Plate XLY. fig. 3.) 



Male. — Ej-es small, round. Antennae subeqiial : superior pair nearly 

 the length of the animal ; first joint of the peduncle scarcely as 

 long as the ccphalon ; second and third subequal, longer than the 

 first; flagellima somewhatlonger than the last joint of the peduncle: 

 inferior pair haA'ing the peduncle scarcely shorter than the peduncle 

 of the superior. First pair of gnathopoda furnished -with several 

 short rows of hairs, and having the meros infero-anteriorly produced 

 to an obtuse point ; carpus longer than the propodos, anteriorly 

 truncate ; propodos subcircular, narrow at the carpus, gradually 

 enlarging towards the anterior margin ; palm convex, not defined, 

 forming with the inferior margin a continuous semicircle ; dactylos 

 short, serrated. Second pair of gnathopoda ha^^ing the carpus 

 large, infero-anteriorly produced to a sharp point ; propodos about 

 half the width of the carpus ; palm parallel with the superior mar- 

 gin, and fui-nishcd with a baccate edge having a deep excavation near 

 the centre ; dactylos scarcely as long as the propodos. First two 

 paii's of pereiopoda subequal, having the basa posteriorly straight, 

 anteriorly extremely arcuate. Posterior pair of pleopoda nearly 

 as long as the preceding. Telson doxible-lobed, having five or six 

 rows of small denticles or spines on each. 



Female. — Like the male, but having the second pair of gnathopoda 

 vidth the propodos ovate ; palm slightly convex, imperfectly de- 

 fined by one or two lateral spines ; carpiis produced along the 

 inferior margin of the propodos. 



Length of male -g-g^ths of an inch. 



Hah. Not recorded. 



This specimen is preserved in the collection of the Eoyal College 

 of Surgeons, and is named in comphment to the founder of their 

 Museum, 



