SYSTEMATIC WORK. 
Mamin. 61 
Dasypodidac. 
Tatusia pilosax Flower (124) on this rare species. T. hybrida : 
Iiiering (162a), observations on its development. 
Chlamydotherium.? extremum, n. sp., Ameghino, (18) p. 205, from the 
Argentine Tertiaries. 
Proeuphr actus limpidus, n. g. & sp., Ameghino, (18) p. 206, from the 
Argentine Tertiaries. 
GLYPTODONTID2E. 
Caryoderma suovianum, n. g. & sp., Cope (79), from the Lonp Fork 
Bed of Kansas. 
Comaphorus concisus, n. g. & sp., Ameghino, (18) p. 195, from the 
Argentine Tertiaries. 
11 . MARSUPIALIA. 
Selenka (342) on the development of Marsupials. 
Phascolomyidac. 
Phascolomys curvirostris. Owen (283), description of the premaxilla. 
PHALANGISTIDAC. 
Petaurista taguanoides. Haswell (152) on its myology. 
Macro podid ac. 
Ilalmaturus bennettii. Pilliet & Boulart (293) on its stomach 
Lagostrophus fasciatus , n. g., Thomas (370) proposes this new genus for 
the Wallaby, hitherto known as Lagorchestes fasciatus. 
Dasyuridac. 
Dasyurus viverrmus. MacCormick (224) on the myology of its 
limbs. 
Phascogale Virginias : Collett (72), redescription of this rare form, 
the type of which has been lost, pi. lx. P. faviceps : Sack (323) shows 
that the crura penis spring from the ischium in this form. P. dories , 
n. sp. r Thomas (372b), from Mt. Arfak, New Guinea. 
Didelphyidac. 
Didelphys virginiana. Selenka (342) on its development. 
Plagiaulacid^e. 
Neoplagiaulax molestus , n. sp., Cope (76), from Puerco Beds. 
