SQUALODOXTIDJE. 77 



49876. Cast of the cranium (imperfect posteriorly) and the mandi- 

 bular symphysis, with the crowns of the teeth broken off. 

 The original was obtained from the Middle Miocene 

 of Bleichenbach, Lower Bavaria ; and is described and 

 figured by Zittel in the ' Palaeontographica,' vol. xxiv. 

 pt. 6, p. 233, pi. xxxiii., under the name of Squalodon 

 bariensis. Purchased, 1879. 



M. 1335. A restored plaster-model of the preceding specimen, show- 

 ing the crowns of all the teeth. Purchased, 1883. 



Squalodon catulli (Molin J ). 

 Svn. Pachyodon catulli, Molin 2 . 



This species ia distinguished from the preceding by slight dental 

 characters. The Squalodon teeth from Baltringen were described 

 and figured by Van Beneden in the ' Bull. Ac. K. Belg.' se'r. 2, 

 vol. xli. p. 474, under the name of Squalodon servatus (Meyer) ; but 

 according to Probst, Jahresh. Ver. Nat. Wiirtt. 1885, pp. 49-67, the 

 type skull of this species (Arionus servatus, Meyer) shows dental 

 alveoli unlike those of other Squalodons, and the true Squalodon 

 teeth are referred to the Italian species (see Zigno, ' Mem. R. 1st. 

 Yeueto,' vol. xx. p. 24 [1876]). 



Hub. Europe (Italy and Germany). 



43633. An anterior tooth ; from the Middle (?) Miocene of Balt- 

 ringen, near Ulm, Wurtemberg. This specimen agrees 

 very closely with the tooth figured by Van Benedeu, op. 

 cit. fig. 4 (as S. servatus"), and with the two teeth figured 

 by Probst, op. cit. pi. i. figs. 2, 3. Purchased, 1859. 



43633 a. The root of an anterior tooth, probably belonging to this 

 Bpecies; from Baltringen. Purchased, 1859. 



Squalodon atlanticus, Leidy 3 . 

 Syn. Macrophoca atlantica, Leidy 4 . 



This species is nearly equal in size to S. antverpiensis, Van 

 Beneden, but is distinguished by the presence of denticulations on 

 the anterior border of the teeth ; the enamel is very rugose. 



Hab. North America (Miocene). 



1 Sitz. k. Ak. Wiss. Wien, vol. xxxv. p. 117 (1859). Pachyodon. 



2 Loc. cit. 



3 Proc. Ac. Nat. Sci. Pliikd. 1856, p. 220. Macrophoca. 

 * Loc. cit. 



