TITLES. 
Mamm. 5 
42. [Bemmelen, J. F. van.] Der Schaidelbau der Monotremen. Denk. 
Ges. Jena vi; Semon’s Reise iii, pp. 731-799, pis. xxx-xxxii. [ Mono - 
tremata.\ 
43. Benham, W. B. On the larynx of certain Whales ( Cogia , Balcenoptera , 
and Ziphius). ' P. Zool. Soc. London 1901, i, pp. 278-300, pis. xxv- 
xxviii. [ Cetacea .] 
44. -. On the anatomy of Cogia breviceps. Ibid, ii, pj3. 107-134, 
pis. viii-xi. [ Cetacea .] 
45. Bensley, B. A. On the question of an arboreal ancestry of the 
Marsupialia, and the inter-relationships of the Mammalian subclasses. 
Amer. Natural, xxxv, pp. 117-138. [Marsupialia .] 
46. -. A theory of the origin and evolution of the Australian Mar¬ 
supialia. T. c. pp. 245-268, pis. i-iii. [Marsupialia .] 
47. -. A cranial variation in Macropus bennetti. Bull. Amer. Mus. 
xiii, pp. 109 & 110, fig , 1900. [Marsupialia.'] 
48. Blanford, W. T. The distribution of Vertebrate animals in India, 
Ceylon, and Burma. Phil. Trans. (B) cxciv, pp. 335-436, map. 
49. -. Directions of spirals in horns. Nature lxxiii, p. 298. [Bovidce.] 
50. Bonhote, J. L. On the Squirrels of the Sciurus erythrceus group. 
Ann. Nat. Hist. (7) vii, pp. 160-167. [Sciuridce.] 
51. -. On the Squirrels of the Sciurus prevostii group. T. c. pp. 167- 
177. [Sciuridce.] 
52. -. On Sciurus caniceps and allied species. T. c. pp. 270-275. 
[Sciuridce.] 
53. -. On the Martens of the Mustela Jlavigula group. T. c. pp. 342- 
349. [Mustelidce.] 
54. -. On Sciurus notatus and allied species. T. c. pp. 444-455. 
[Sciuridce.] 
55. -. On two new species of Squirrels from the East Indies. T. c. 
pp. 455-457. [Sciundce.] 
56. -. On a second collection of Mammals made by Mr T. H. Lyle in 
Siam. P. Zool. Soc. London 1901, i, pp. 52-56. [Sciuridce.] 
57. Botezat, E. Die Innervation des harten Gaumens der Saugethiere. 
Zeitschr. wiss. Zool. lxix, pp. 429-443, pis. xxx & xxxi. 
58. Botti, U. Sui molari di Elefante. Boll. Soc. geol. Ital. xx, pp. 438- 
444. [Proboscidea.] 
59. Broom, R. Note on an Echidna with eight cervical vertebrae. P. 
Linn. Soc. N. S. Wales 1900, pp. 733 & 734. [Monotremata.] 
60. -. On the ossification of the vertebrae in the Wombat and other 
Marsupials. T. c. pp. 735-739. [Marsupialia.] 
61. Brown, A. E. On some points in the phylogeny of the Primates. 
P. Ac. Philad. liii, pp. 119-125. [Primates.] 
62. Burckhardt, G. Die Implantation des Eies der Maus in die Uterus- 
schleimhaut und die Umbildung derselben zur Decidua. Arch mikr. 
Anat. lvii, pp. 528-569, pis. xxvi-xxviii. [Muridce.] 
63. Burckhardt, R. Das Gehirn zweier subfossiler Riesenlemuren. 
Anat. Anz. xx, pp. 229-237, figg. [Lemuroidea.] 
