THE GENERAL SUBJECT. 
Mamm. 11 
Lataste, F. Dos Variations de Durde do la Gestation chez les Mammi- 
fercs, et des Circonstances qui Determinent ces Variations ; Thdorie 
de la Gestation Retardee. C.R. Soc. Biol. (9) iii, pp. 21-31. 
Chiefly deals with the variability of the period of gestation in Rodents. 
Leciie, W. [See Marsupialia and Dasyuridce.'] 
Lemoine, V. Etude d’Ensemble sur les Dents des Mammiferes Fossiles 
des Environs de Reims. Bull. Soc. G<k>l. (3) xix, pp. 263-290, pis. x 
& xi. 
A general review of the Mammals of the Cernaysienno and the overlying 
Ageienne fauna of the neighbourhood of Rheims, based on the char- 
acters of their dentition. Several new genera and species are described, 
but it is in some cases difficult to determine whether or no names appear 
for the first time. The new forms are recorded on p. 47, and under the 
heading Multituber culata , p. 57. 
Len£, H. [See p. 21, Cercopithecidce.'] 
Lindahl, H. [See p. 49, Megatheriidce.~\ 
Lockhart, J. G. [See p. 43, Cervidw.'] 
Luca3, F. Animals Recently Extinct or Threatened with Extermina- 
tion, as Represented in the Collections of the U. S. National Museum. 
Rep. U. S. Nat. Mus. 1888-89, pp. 609-649, pis. xcv-cv (1891). 
The Mammals mentioned are Monachus tropicalis, Macrorhinus angusti- 
rostris , Trichechns obesus , Bos bison , and Rhytina gigas. 
. Explorations in Newfoundland and Labrador in 1887, made in 
connection with the Cruise of the U. S. Schooner ‘ Grampus. 1 T. c. 
pp, 709-728. 
Contains notes on the Seals aud Cetaceans of these regions. 
Lydekker, R. Catalogue of the Fossil Mammals, Birds, Reptiles, and 
Amphibians in the Science and Art Museum, Dublin. Dublin : 
1891, 8vo, 61 pp. 
. On a Collection of Mammalian Bones from Mongolia. Rec. 
Geol. Surv. Ind. xxiv, pp. 207-211, woodcuts. 
Records remains of Hycena macrostoma , Gazella , sp., Equus sivalensis , 
&c. 
. [See also Flower & Lydekker, and p. 30, Castoridcc , p. 37, 
Perisso dactyl a , p ; 42, Bovidce , p. 43, Giraffidce , p. 43, Cervidce, p. 54, 
Phascolomyidcc ) and p. 55, Macropodidcc .] 
Maggi, L. Fontanelle nello Scheletro Cephalico di Alcuni Mammiferi. 
Rend. 1st. Lomb. (2) xxiii, pp. 439 -460 & 580-608, pis. v & vii-x. 
A detailed memoir describing and figuring the cranial fontanelles in 
the young of a large number of Mammals. 
. [See also p. 20, Simiidce.] 
