42 Mamm, 
II. MAMMALIA. 
XII. MONOTREMATA and fl/ UL TIT UBERG U LA TA . 
Didelphys , venous system, McClure, Amer. J. Anat. ii, p. 371 ; lymphatic 
ganglion, Drzewina, C.R. Soc. Biol, lv, p. 832. 
Caluromys trinitatis Venezuela, Venezuela, Thomas, Ann. Nat. Hist. (7) xi, 
p. 493, n. subsp. 
Marmosa constantice , Matto Grosso, Thomas, P. Zool. Soc. London 1903, ii. 
p. 243, n. sp. 
Ornithorhynchus , the “dumb-bell bone” a prevomer, corresponding to the 
so-called vomers of lizards and amphibians, Broom, P. R. Soc. N. S. 
Wales 1902, p. 545; primitive streak and gastrulation, Wilson & 
Hill, P. R. Soc. London Ixxi, p. 314; development of urinogenital 
system, Keibel, Verh. Anat. Ges. xxiii, p. 14; heart, Devez, Bull. 
Soc. Philom. (2) v, p. 105. 
\Microlestes plieningeri, Rluetic, Wiirtemberg, Ameohino, An. Mus. Buenos 
Aires ix, p. 165, n. sp. 
flNCERTAE SEDIS. 
t Morenella, n. nom. for Morenia Ameghino, 1886, nec Gray, 1870, Palmer, 
Science (2) vii, p. 873. 
t Tyttoconus y n. nom. for Microconodon Osborn, 1866, nec Microconodus 
Traquair, 1877, Palmer, 1. c. 
\Plesiofclis (n. g.) scklosseri , p. 154, cretaceus, Eutrochodon (n. g.) inceptus , 
p. 155, fossil, Patagonia, Roth, Revist. Mus. La Plata xi, n. spp. 
Matthew, W. D. The fauna of the Titanothermm beds at Pipestone 
Springs, Montana. Bull. Amer. Mus. xix, pp. 197-226, figg. \Insecti- 
vora , Carnivora , Rodentia , Artiodactyla.'] 
. A fossil Hedgehog from the American Oligocene. T. c. p. 227. 
[ Insectivora .] 
The species and genera dealt with in the two memoirs must stand over till next 
year, the papers having been received only after this Record was in type. 
