SPECIAL WORK. 
Mamvi. 37 
Mus anchietce, n. sp., J. V. B. DU Bocage, J. Sci. Lisb. (2) ii, pp. 11 & 
12, pi. i, fig. 3, Angola. 
Mus angolensis, n. sp., Bocage, t. c. pp. 12 & 13, Angola. 
Mus poschiavanus. — Davatz, Arch. Sci. Nat. xxiv, p. 525, has obser- 
vations on this Swiss form, and its points of difference from M . musculus. 
A. Ortmann, Zool. Anz. xiii, pp. 155-157, has a note on the same 
subject. 
iMus donnezani, n. sp., C. Deperet, t. c. (supra, p. 4), p. 50, Pliocene, 
France. 
. Pithechirus melanurus, see J entink, supra , p. 7. 
Lopliiomys pyrenaicus , n. 'g. & sp., 0. Deperet, t. c, (supra, p. 4), 
p. 53, Pliocene, France. [Generic name preoccupied. — R. L.] 
e . Spalacimj. 
Bocage, J. V. Barboza du. Les Rats-Taupes d’ Angola. J. Sci. Lisb. 
(2) iv, pp. 2G9-27G, woodcut. 
Gives the characters of the genus Georychus , and concludes that of 
the 10 named species only G. capensis and G. mechowi can be regarded as 
definitely established. 
' Myoscalops, n. n., 0. Thomas, P. Z. S. 1890, p. 448, to replace Helio- 
phobius, preoccupied. 
/. Geomyidjs. 
Geomys bursarius , n. var. lutescens, C. H. Merriam, t. c. (supra, p. 10), 
No. 4, p. 51, Nebraska. 
^ Dipodops, n. g., Merriam, op. cit. No. 3 (p. 9), pp. 71 & 72 ; type 
Dipodomys agilis, Gambel. 
Dipodops longipes, n. sp., Merriam, t. c., Arizona. 
Dipodops ordi (Woodhouse), referred to this genus by Merriam, op. cit. 
No. 4, p. 45. 
Dipodomys ambiguus, n. sp., Merriam, t. c. pp. 42-45, Texas. 
Dipodomys spectabilis , n. sp., Merriam, t. c. pp. 46-48, Arizona. 
Dipodomys californicus , n. sp., Merriam, t. c. p. 49, California. 
Dipodomys merriami, n. sp., E. A. Mearns, Bull. Am. Mus. Nat. Hist, 
ii, pp. 290 & 291, Arizona. 
Dipodomys chapmani, n. sp., Mearns, t. c. pp. 291-294, ibid. 
Perognathus fuliginosus, n. sp., Merriam, t. c. p. 74, ibid. 
g . Dipodidac. 
Bardeleben, K. Hat der Praepollex von Pedetes einen Nagel oder 
nicht ? Anat. Anz. v, pp. 321 & 322. 
' Discusses the question whether the prepollex of Pedetes is provided 
with a nail. 
