REVISION OF PODOPHTHALMATA AND CUMACEA. 57 



to the tarsal joints), exactly the same as other specimens 

 which have only 5-jointed tarsi.* Generally the spine is 

 nearer to the apex of the antennal scale than to the hase. 

 The colour of M. kervillei is greyish-white, thorax spotted 

 w^ith dark red or brown, one dorsal and two lateral (one 

 on each side) spots on each abdominal segment ; proximal 

 fom'th of telson also dark red, succeeded by a white ar- 

 borescent patch. 

 M. lamorncB, Couch (Kep. II, 178). 



Colwyn Bay, May, 1887, 3 fath. ; Little Orme, August, 



1889, 8 fath. 

 M. vulgaris, Thompson (Kep. II, 178). 

 Mouth of the Alt, in brackish water. 



CUMACEA. 



Cuma scorpioides, Montagu = C. edwardsii, Goodsir 

 (Kep. Ill, 70 ; IV, 242-3, 246). 



Off Great and Little Ormes, 5 to 10 fath. ; Kamsey 

 at Electric Light and Port Erin, males and females, 3 

 fath. below surface ; Dulas Bay and Forth Dafarch, 

 Anglesey ; Puffin Island ; Hilbre Swash ; Menai Straits. 

 For remarks on the identity of C. scorpioides and C. 

 edwardsii see Kep. IV, 246. 

 Iphinde trispinosa, Goodsir = I. gracilis, Sp. Bate and 

 Sars, Middelhavets Cumaceer p. 36, PL 10 — 14. Iphinoe 

 serrata — Norman — under Plates (Kep. Ill, 71, IV, 242.) 



Port Erin at Electric Light, very abundant ; Colwyn 

 Bay 21 fath. dredged, ; Puffin I. 5 fath.; Porth 

 Dafarch, Anglesey. 



The females only have a row of spines on the dorsal 

 surface of the cephalothorax. An old male measured 

 11 J mm., colour bright red. 



* I have also an adult male with the cleft of the telson and antennal scale 

 as figured for M. kervillei but with 7-jointed tarsi. 



