312 Proceedings of the Moyal Physical Society. 
The very handsome black-spined Platymerus may be 
named in compHment to the Eev. Alexander Eobb, Old 
Calabar, who recently sent Dr Smith the new ganoid fish 
before referred to, and many other specimens of much in- 
terest — 
Platymerus Rohbianus, n. s. 
It measured nearly If inch in total length, by y^ths of an 
inch across the abdomen. The hemelytrse measured Ij^oths 
inch in length. The thorax above is covered with various 
strong projecting spines, and three or four small spines pro- 
ject on each side from the lateral margins of the abdomen. 
The usual Committees for special investigations during 
the summer, were appointed. A vote of thanks was given 
to Mr George Logan, on his resigning office, for his valuable 
services while Convener of the Dredging Committee. 
Thanks were voted to the office-bearers, and the Society 
adjourned to the beginning of next winter session. 
Erratum. 
Page 296, for Annan Water read Allan Water. 
