36 Mamm. 
II. MAMMALIA. 
t Proborhycenay n. g., for P. gigantea , n. sp., Ameghino, t. c. p. 97, ibid. 
t PharsophoruSy n. g., for P. lacerans , n. sp., pp. 98 & 99, P. tenax, mitis , 
tenuis , n. spp., p. 100, Ameghino, t. c. ibid . 
X. MONOTREMATA. 
Relation to reptiles; Baur & Case, Anat. Anz. xiii, p. 109. Digestive 
system; Oppel, Denk. Ges. Jena, v, Semon’s Reise, ii, pt. v, p, 403. 
Nervous system; Ziehen, Denk. Ges. Jena, vi, Semon’s Reise, iii, 
pt. i. Auditory ossicles and hyoid; Ruge, Morph. Jahrb. xxv, p. 202. 
OmithorhyTichus , supposed nasal valve; Broom, Tr. Soc. Glasgow (2) iv, 
p. 317. Range; Waite, Mem. Australian Mus. iii, p. 165. Brain of 
foetus; Smith, Quart. J. Micr. Sci. (2) xxxix, p. 181. 
Echidna aculeata , habits; Broom, Tr. Soc. Glasgow (2) iv, p. 317, 
i 
