Dr. J. E. Gray on Trionyx Phayrei. 83 



umberland and Durham/ in which 164 species are recorded 

 for the north-eastern district against 265 for the south- 

 western. 



The species contained in this Catalogue and Supplement 

 are thus distributed amongst the various groups : — 



Hydrozoal^y^^^^'^^ ^^ 



'' \ Discophora (Lucemariidse) . . 2 



— 94 

 Actinozoa ( ^oantharia 1 ^ f Coralligena | 37 



\ Alcyonana J \ {Huxley) J 4 



— 41 



{Cheilostomata 87 

 Cyclostomata 16 

 Ctenostomata 17 

 Paludicellea 1 



f Pedicellinea 3 



\ Lophopea 6 



— 130 



265 

 EXPLANATION OF THE PLATES. 

 Plate V. 



Fig. 1. Gymnocoryne coronata, Hincks, highly magnified : 1 a, the circle 



of oral tentacles. 

 Fig. 2. Lovenella clausa, Loven, with gonotheca, magnified : 2 a, the 



gonozooid ; 2 b, the same, seen from below. 



Plate VI. 



Fig. 1. Campanularia calceolifera, Hincks, nat. size. 



Fig. 2. A portion of a shoot, magnified. 



Fig. 3. A gonotheca, magnified, to show the internal structure : x, the 

 internal tubular orifice ; g, the point of exit. 



Fig. 4, Another gonotheca. 



Fig. 5. The upper portion of a gonotheca, more highly magnified, show- 

 ing a planule escaping through the tubiilar orifice. 



Fig. 6. A gonophore, highly magnified. 



X. — Notes on Trionyx Phayrei of Mr. Theobald and Dr. 

 Anderson. By Dr. J. E. Gray, F.R.S. &c. 



There seems an unfortunate fatality attending the tortoises 

 named after Lieut.-Col. Sir A. P. Phayre, late Chief Commis- 

 sioner of British Birma. Mr. Blyth named a Testudo after 

 him which has caused much controversy. Mr. W. Theobald, 

 in a paper published in the ' Journal of the Linnean Society ' 



