CHELONIA PLESIOSATJRIA. 
Rept. 21 
Colpochclys, Garm. : notes by Baur, Zool. Anz. xi, p. 423. 
Eiiclaitet, Copo (foss.) (== Lytoloma , Cope, Puppigerus , Cope, Glosso - 
chelys , Seeley, Pachyrhynchus, Dollo, Erquelinnesia, Dollo) : furthor notes 
by Dollo. Geol. Mag. (3) v, pp. 261-267, figs., and Bull. Soc. Geol. Nord. 
xv, pp. 114-122. 
ATHECL®. 
Dermochelys, Blainv. : this name has priority; Baur, Zool. Anz. xi, 
p. 44. 
Psephophorus scaldii, Yan Ben., and rupeliensis , Van Ben. (foss.) : 
humerus figured, by Dollo, Bull. Mus. Belg. v, pi. iv. The paper on 
Psephophorus , noticed in the preceding report, is republished in the same 
volume, pp. 59-96. 
ICHTHYOSAURI^ . 
IjYDEKKER, R. Note on the Classification of the Ichthyopterygia . Geol. 
Mag. (3) v, pp. 309-314 & 453. 
Ophthalmosaurus cantabrigiensis , n. sp., id. t. c. p. 312, Cambridge 
Greensand. 
E. Fraas describes and figures the fin of Ichthyosaurus quadriscissus, 
Qu., from an impression showing the shape and extent of the soft parts ; 
JH. Ver. Wiirtt. xliv, p. 280, pi. vii. 
Ichthyosaurus conybeari, n. sp., Lydekker, l. c., Lower Lias, England. 
I. maratlionensis , n. sp., R. Etheridge, Jun., P. Linn. Soc. N.S.W. (2) 
iii, p. 405, pi. vii, “ Rolling Downs Formation,’ 5 Northern Queensland. 
I. ceramensis, n. sp., K. Martin, Samra. Geol. Mus. Leid. iv, p. 74, pi. x, 
Ceram. I. cornalianus, n. sp., Bassani, Atti Soc. Ital. xxix, p. 25 [1886], 
Trias cf Lombardy. 
PLESIOSAURIA. 
Seeley, H. G. On the Mode of Development of the Young in Plesio- 
saurus. Rep. Brit. Ass. 1887, p. 697. 
Lydekker, R. Notes on the Sauropterygia of the Oxford and Kirae- 
ridge Clays, mainly based on the Collection of Mr. Leeds at Eyebury. 
Geol. Mag. (3) v, pp. 350-356, figs., & 453. 
Remarks by Cope, Am. Nat. xxii, pp. 724-726. 
Plesiosaurus phillipsi , n. sp. (= P. carinatus , Phillips, nee Cuv.), 
Sauvage, Bull. Soc. g6ol. (3) xvi, p. 6£0, Upper Portlandian, Bucking- 
hamshire and Boulogne. 
On Plesiosaurus remains from the (l Rolling Downs Formation” of 
Northern Queensland; R. Etheridge, Jun., P. Linn. Soc. N.S.W. (2) 
iii, p. 410, pi. viii. 
