LIST OF PLATES. 



Plate I. Desmodus D'Orbignyi. 



Plate XXX. 



Didelphis crassicaudata. 



II. Phyllostoma Grayi. 



XXXI. 





1 





elegans. 



III. Vespertilio Chiloensis. 



IV. Canis antarcticns. 



XXXII. 





i -i • 



XXXIII. 



Skulls, and molar teeth of various species 



V. Magellanicus. 





of Rodents. 



VI. ■ fulvipes. 



Fig. 1. 



a. 



Skull of Abrocoma Cuvieri — natu- 



VII. Azarse. 







ral size. 



VIII. Felis Yagouroundi. 



— 1. 



b. 



Side view of ditto. 



IX. Pajeros. 



— 1. 



c. 



Ramus of lower jaw — outer side. 



X. Delphinus Fitz-Royi. 



— 1. 



d. 



Lower jaw seen from above. 



y» t Mus longicaudatus. 

 ( gracilipes. 



— 1. 



e. 



Molar teeth of the upper jaw mag- 







nified. 



yjj f elegans. 



1 bimaculatus. 



— 1. 



/■ 



ditto of lower jaw. 



— 2. 



a. 



Skull of Reithrodon cuniculoides. 



YTTT f flavescens. 



— 2. 



b. 



Incisors of the upper jaw magnified. 



1 — — arenicola. 



— 2. 



c. 



Molar teeth of the upper jaw mag- 



vry J Magellanicus. 



1 brachiotis. 







nified. 



— 2. 



,1. 



ditto of the lower jaw. 



XY.J Renggeri. 



i. obscurus. 



— 2. 



e. 



ditto of upper jaw of a younger 







specimen. 



XVI. longipilis. 



— 3. 



a. 



Portion of a skull oiMusBraziliensit 



Yttjj J xanthorhinus. 



1 nasutus. 



— 3. 



b. 



ditto, view of palate. 



— 3. 



c. 



Molar teeth of the upper jaw mag- 



XVIII. tumidus. 







nified. 



XIX. Braziliensis. 



— 3. 



d. 



ditto of lower jaw. 



XX. micropus. 



— 4. 



a. 



Molar teeth of lower jaw of Reith- 



XXI. griseo-flavus. 







rodon typicus magnified. 



XXII, xantbopygus. 



— 5. 



a. 



Molar teeth of the upper jaw of 



XXIII. Darwinii. 







Mus canescens. 



XXIV. Galapagoensis. 



— 5. 



b. 



ditto of under jaw. 



XXV. fuscipes. 



— 5. 



c. 



Skull of ditto. 



XXVI. Reithrodon cuniculoides. 



— 5. 



d. 



Posterior molar of the lower jaw 



XYYTT rtlinrViillniilrn 







more worn than in 5. 1. 



-fTL-^V T 1J • UIllULIllIJUKltk?. 



XXVIII. Abrocoma Bennettii. 



— e. 



(i. 



Molar teeth of the lower jaw of 



XXIX. Cuvieri. 







Mus longipilis. 



