Mr. C. Spence Bate on Bellidia Huntii. 135 



called attention to this peculiar covering-lajer, but have fre- 

 quently confounded it with the epithecal structures of corals 

 or with the dense coat of the fossil calcareous sponges. 



[To be continued.] 



EXPLANATION OF PLATE VIII. 



Fig. 1. Isolated skeletal element of the wall of Callopegma Schlcenhachi, 



Zitt., from the Mucroiiatus-ChnYk of Ahlten. X 64. 

 Fig. 2. Skeletal elements of the staUt of Aulaxinia sulcifera (Rom.) from 



the Mucronatus-G\i?Xk of Ahlten. X 32, 

 Fig. 3. Skeletal elements of Doryderma dichotoma (Rom.) from the 



Mucronatus-C\vdl\i of Ahlten. X 32, 

 Fig. 4, Skeletal elements of Megalithista forcmiinosa, Zitt., from the Upper 



White Jura (e) of Nattheim. "x 32, 

 Fig. 5. Skeletal corpuscles of Mastosia Wetzleri, Zitt., connected and iso- 

 lated, from the Upper White Jiu"a (« & (,) of Sozenhausen, near 



Giinzburg. x64. 

 Fig. 6. Skeletal elements of Hyalotragos patella (Goldf .) from the White 



Jm-a of Streitberg. x 64. 

 Fig, 7. Anchor-spicule of Chonella tenuis (Rom.) from the Qnadratus- 



Chalk of Linden, Hanover, x 64. 

 Fig. 8. Forked anchor of the surface of Pachinion scriptum (Rom.), from 



the side and from beneath. x64. From the J/Mcrorea^Ms-Chalk 



of Schwiechelt, in Brunswick. 

 Fig. 9. Forked anchor of Corallistes nolitangere, Schmidt, from the side. 



X 64. Recent, Florida, 



XIV.— 6)n Bellidia Huntii of Gosse. By C. Spence Bate. 



Having some time since communicated to Mr. Gosse my 

 hesitation to accept his genus Bellidia (Ann. & Mag. Nat. 

 Hist. Oct. 1877, vol. xx. p. 313, pi. 10) as that of a new or 

 undescribed form, I took the earliest convenient opportunity 

 to examine the specimen from which he drew up his descrip- 

 tion. This he sent to the British. Museum, where it is care- 

 fully preserved. 



1 found it in the same condition and retained in the same 

 bottle in which it was forwarded by the author, the peculiar 

 chelate hand of the first pair of pereiopoda being detached 

 and preserved with it. 



It is needless to go into very minute details of the general 

 characteristics of the animal, since careful, prolonged, and re- 

 peated examinations convinced me that the specimen was 

 Hippolyte Prideauxii of Leach. Mr. Miers, the assistant in 

 the Zoological Department under whose superintendence the 

 Crustacea are, kindly assisted me to compare Gosse's animal 

 with Leach's type of H. Prideauxii] and after comparing my 



