CHAPTER nr. 



MOLE HATS, POUCHED UATS, POUCHED MICE, JEKhOAS, AM> OCTUDONriD.I,. F46E 



SPALACID.E, Oil MOLE RATS Characteristics of the Family Habits -Food THE MOLE KAT Distribution- 

 Description THE CHESTNUT MOLE RAT -THE XAKED MOLE RAT -THE STRAND MULE RAT Description 

 Habits THE CAPE MOLE RAT -GEOMYIIXE, OR TOUCHED RATS -Characteristics of the Family The 

 Cheek-pouches THE COMMON POCKET GOPHER Distribution Description - Din-rowing Runs- Subterranean 

 Dwelling THE NORTHERN POCKET GOPHER HETEROMYIX.E, OR POUCHED MICE- Difficulties as to Position- 

 Characteristics PHILLIPS' POCKET MOUSE Where Found Description THE YELLOW POCKET MOUSE -THE 

 LEAST POCKET MOUSE DIPODIDJ5, OR JERBOAS Organisation for Jumping Chai acteristics Distribu- 

 tion THE AMERICAN JUMPING MOUSE Description- -Characters peculiar to itself -Habits THE TRUE JERBOAS 

 Characters THE JEKHOA -Distribution -Habits -Mode of Locomotion THE ALACTAGA THE CAPE JUMPING 

 HARE-THE PORCUPINE-LIKE RODENTS -OCTODONTID.E Characteristics Sub- Family CTENODACIY- 

 LIN.E -Tun: GUNDI THE DEGU -Description -Habits -THK DROWN SCIIIXOPON THE TUKOTUKO THE CURURO 

 THE ROCK Pi AT Sub Family ECHINOMYIN.E THE COYPU One of the Largest Rodents Description Burrows 

 Habits Mother and Young Tun HUTIA CONQA THE HUTIA CARABALI THE GROUND RAT . . . .120 



CHAPTER IV. 



POllCl 'VINES CHINCHILLAS AGOUTIS CAVIES HAKES AND KAH1UTS 1MKAS. 



HYSTRICID.E, THE PORCUPINES Conversion of Hairs into Spines-Skull Dentition Tail -Sub-families The True 

 Porcupines The Tree Porcupines THE COMMCN PORCUPINE Distribution Description The Crest of Bristles- 

 Nature of the Spines-Habits- Young Flesh On the Defensive Other Species-Species of Tree Porcupines 

 THE COUENDOU THE COUIY Description Habits THE URSON, OR CANADA PORCUPINE Description Habits 

 Food-CHINCHILLIDJE, THE CHINCHILLAS Characteristics -THE VISCACHA Description Life on the 

 Pampas Their Burrows Habits--The Chinchillas of the Andes THE CHINCHILLA THE SHORT-TAILED CHIN- 

 CHILLA CUVIER'S CHINCHILLA THE PALE-FOOTED CHINCHILLA DASYPROCTIDJ2, THE AGOUTIS Characters 

 THE AGOUTI Distribution Appearance Habits AZARA'S AGOUTI THE ACOUCHY THE PACA Appearance 

 Distribution Habits DINOMYIDJS Founded for a Single Species Description Rarity CAVlIDj'E, THE 

 CAVIES Characteristics THE RESTLESS CAVY Appearance Habits The Guinea-Pig Controversy THE 

 BOLIVIAN CAVY THE ROCK CAVY THE SOUTHERN CAVY THE PATAGONIAN CAVY, OR MARA Peculiar Features 



Its Burrows Mode of Running THE CAPYBARA Its Teeth Where Found Habits THE DOUBLE- 

 TOOTHED RODENTS Characteristics LEPORID.E, THE HARES AND RABBITS -Structural Peculiarities 

 Distribution -Disposition THE COMMON HARE -Hind Legs Speed Its "Doubles" Other Artifices Its 

 " Form "Habits Food Pet Hares THE RABBIT -Distribution Habits -Domesticated -THE MOUNTAIN HAKE 



LAGOMYIDJ3, THE PIKAS Characteristics Distribution THE ALPINE PIKA THE ROCKY MOUNTAIN PIKA 13c 



CHAPTER V. 



FOSSIL K () I) E N T I A . 



Families of Rodents represented by Fossil Remains State of the "Record of the Rocks" THE SCIURID^E Sciurinc 

 Genera now Extinct No Fossil ANOMALURID.E and HAPLODONTID^E ISCHYROMYID^E Pseudotomus hians 

 Gyamoptyckvt CASTORID.E Mr. Allen's CASTOROIDID.E--THE MYOXIDJE No Fossil LOPHIOMYIDA; THE 

 MuKiD.fi THE SPALACID.E THE GEOMYID^E THE DIPODID^; THE THERIDOMYID^E THE OCTODONTIIXE 

 THE HYSTRICID.E THE CHINCHILLIIXE THE DASYPROCTID.E THE CAVIID^; THE LEPOKIDA; THE LAGOMYIU 

 Mesothcrium cristalttm Difficulties concerning it Mr. Alston's Suggestion THE HEBETIDENTATA Teeth- 

 Skull Skeleton Conclusions regarding it Table of Rodent Families Concluding Renmite 155 



ORDER EDENTATA, OR BRUTA (ANIMALS WITHOUT FRONT TEETH). 



CHAPTER I. 



SLOTHS. 



The South American Forests Discovery of the Sloth How it derived its Name Peculiarities of Dentition Food- 

 Fore Limbs and Fingers Hind Limbs and Heel Other Modifications of Structure Kinds of Sloth Waterton's 

 Captive Sloth Habits of the Animal Burchell's Tame Sloths Manner of Climbing Trees Disposition Activity 

 among Trees Naturalists' Debate about Anatomy Probable Conclusion regarding it Skeleton Vertebras 

 the Rudimentary Tail Most Distinctive Skeletal Characters Arm, Wrist, Hand, Fingers, Claws Mode of 

 Walking Great Utility of the Claws-Face of Sloth Skull Teeth -Classification TARDIGRADA BRADI- 

 PODID^E Genus BRADYPUS- Characteristics Genus ARCTOPITHECUS Characteristics CHOLOZPODID^E 

 THE COLLARED SLOTH Description Skull Bones Habits Circulation of the Blood Rcte MirabiteTHE Ai 

 THE UNAU Appearance Skull and Teeth - Skeleton Interesting Anatomical Features Stomach HOFFMANN'S 

 SLOTH- -Description Habits 15& 



CHAPTER II. 



THE ANT-EATEKS. 



THE CAPE ANT-EATER The Cage at "the Zoo. "Appearance of the Animal Its Prey The Ant-hills How the 

 Orycteropus obtains its Food Place in the Order Teeth Skull Tongue Interesting Questions concerning 

 the Ant-eater THE PANGOLINS, OK SCALY ANT-EATERS THE AFRICAN SCALY ANT-EATERS Differences between 



