2S8 



Records of the Indian Museum. 



[Vol. XIIL 



side of the carapace, but it is said to be antero-lateral in position 

 In this species the dactyli are spinulous, thus differing conspicu- 

 ously from those of R. filholi and R. octagonalis. 



The specimen was obtained at low water under stones among 

 mangroves on Vareeg Islet in Mormugao Bay, Portuguese India. 

 It bears the number 9740/10 Zool. Surv. Ind. 



Rhynchoplax demeloi, sp. nov. 



The carapace is nearly circular ; the breadth of its upper sur- 

 face is about equal to its length, including the median rostral lobe. 



Pig. 6. — Rhynchoplax deineloi, sp. nov. 



The surface is greatly sunken and is covered with fine hairs that 

 retain a quantity of mud ; the usual grooves are deeply cut. The 

 lateral border is entire, upturned, and continuous anteriorh^ 

 across the base of the three rostral prominences ; it is obscurely 

 angulate a short distance behind the eye. The tooth found in the 

 three preceding species on the side wall of the carapace is absent. 



The three rostral prominences are exceedingly short. The 

 median one is almost square, a little longer than broad, and is 

 abruptly deflexed; the other two are rounded, very much broader 

 than long, and project straight forwards. The greater part of the 

 cornea of the eye is visible in dorsal view. 



