24 Rejpt. 
REPTILIA AND BATRACHIA. 
Plethodon crassulus , n. sp., Cope, P. Am. Phil. Soc. xxiii, p. 521, Cali- 
fornia. P. iecanus, Cope, belongs to Anaides, Baird ; Cope, t. c. p. 526. 
E. D. Cope has a paper on the structure and affinities of the Amphiu- 
midce, which are kept distinct from the Protcnopsidce ; P. Am. Phil. Soc. 
xxiii, pp. 442-445, pis. vi & vii. 
Amphiuma, L. The two- and three-toed forms must be referred to a 
single species, A. means ; Cope, t. c. p. 526. 
Proteus anguinus , Laur. On its occurrence near Monfalcon e ; Marche- 
setti, Boll. Soc. Adr. ix, 1885, p. 165, and Ninni, Atti 1st. Yenet. (6) iv ? 
p. 1315. 
APODA. 
E. D. Cope, P. Am. Phil. Soc. xxiii, p. 444, regards the Cceciliidui as a 
family of Cauda ta, connected with the typical forms through th q Ampluu- 
midce , 
Waldsciimidt, J. Zur Anatomie des Nervensystems der Gymnophionen. 
Jen. Z. Nat. xx, pp. 461-476, pis. xxx & xxxi, and Tag. Deut. Nat. 
Vers, lix, p. 11)6. 
STEGOCEPHALA. 
Cope, E. D. The Batrachian Intercentrum. Am. Nat. xx, pp. 76 & 77. 
On the homologies of the segments of the vertebral centra in the Ste- 
gocephala , rhachitomous and embolomerous. 
Credner, H. Die Stegocephalen aus dem Rothliegenden des Plaueu’- 
schen Grundes bei Dresden, vi. Z. geol. Ges. xxxviii, pp. 576-633, 
figs. 
On the development of Branchiosaurus amblgstomus, Credn. 
A. Gaudry remarks on the Permian Stegocephala discovered by Fritsch ; 
C.R. cii, p. 898. 
Archegosaurus. G. Baur : draws attention to a little-known work of 
Quenstedt, containing information on the tarsus of Archegosaurus , one of 
Cope’s jRachitomi. From the presence of certainly three, perhaps four, 
central bones, it must be regarded as the oldest tarsus, a new proof for 
the correctness of the position given to this group by Cope. Am. Nat. 
xx, pp. 173 & 174, and Zool. Anz. ix, pp. 104-106. 
On remains of Mastodonsaurus, probably M. robustus , from Cockatoo 
Island, Port Jackson ; Stephens, P. Linn. Soc. N.S.W. (2) i, p. 931. 
Haptodus , n. g., for H. baylei, n. sp., Gaudry, C.R. ciii, p. 453, Permian 
of Autun. 
INCERTiE SEDIS. 
Stereosternum tumidum t n. g. & sp. (foss.), Reptile or Batrachian ?. 
Cope, P. Am. Phil. Soc. xxiii, p. 7, pi., Province Sao Paolo, Brazil, pro- 
bably Carboniferous or Permian. 
