1883.] Geology and Paleontology. 73 
approaching more nearly to Platecarpus, Cope. The species, the 
remains of which were found near Maestricht, is named P. marshit. 
Mr. Dollo thinks that this animal possesses a sacrum of two 
vertebrae. It has also sclerotic bones. The genera of this order 
or sub-order are, then, eight in number, viz.: Baptosaurus Marsh ; 
Pterycollosaurus Dollo; Mosasaurus Conyb.; Platecarpus Cope 
(Lestosaurus Marsh); Plioplatecarpus Dollo; Liodon Owen 
(Rhinosaurus and Tylosaurus Marsh); Sironectes Cope (//olo- 
saurus Marsh); Clidastes Cope (Edestosaurus Marsh).—E&. D. Cope. 
ScupDER on Triassic InsEcts.—At a late meeting of the Na- 
later date than the vertebrata. In the present case they indicate 
an earlier age than the insects.—£. D. Cope. 
Some TERTIARY NEUROPTERA OF FLORISSANT, CoLorapo.—Mr. 
S. H. Scudder’ states that the Florissant strata, which are by 
Lesquereux and Cope placed immediately above the Green River 
shales, have yielded seven genera and twelve species.of Planipen- 
nian Neuroptera, including five Raphidiide, four Chrysopide, one 
Hemerobiid, and one Panorpid. 
The number of tertiary Planipennia known is already nearly 
doubled by the discoveries made in the American tertiaries. The 
Florissant beds have furnished six species of Odonata besides two 
Jarve. Two of these, and one larval form, belong to Aischna, 
the rest are Agrionina. The four species from the Green River 
shales are all Agriones. The resemblance of the faunas of the 
two localities is very apparent, though the species and even the 
genera are wholly distinct. The facies of both is decidedly sub- 
tropical. 
_ Grotocicat Norrs.—Recent numbers of the Annals and Mag- 
azine of Natural History contain the following articles: Notes on 
the Trochammine of the Lower Malm of Aargau (Switzerland), 
by Dr. R. Haeusler; Notes on fossil Calcispongiz, by G- J. Hinde. 
is paper is devoted especially to those sponges which have 
been grouped by Professor Zittel in the family of “ Pharetones,” 
3 Proc. Bost. Soc. Nat. Hist, Vol. KXI, p. 407, 1882. n o 
