TABLE OF CONTENTS. 



PAGE 



List of abbreviated Titles -, * ' \ " , * , ' , , ''.' xv 



Additions and Corrections * . . . , / ," . " . ' * \ xvi 



Errata , < / . -. . , . , , xviii 



General Introduction . t . . , . xix 



DESCRIPTION OF PREPARED TYPES. 



MAMMALIA. 



1. Common Rat, Mus decumanus ' . fc * ". ' i 



2. Skeleton of same . , v . . T-JI . v - > 4 



3. Skeleton of Wild Rabbit, Lepus cuniculus^ van fefa . *.- , - 9 



4. Vertebrae of same . . , > , , 14 



5. Upper half of same . . . , . v , . 17 



6. Duodenum, pancreas, etc, of same * .. '* . v- . - . 24 



7. Caecum of same , , ,. . , , , . . 27 



8. Bladder and male genitalia of same ,. , . . . 30 



9. Female genitalia of same -' k ' .. ";. , , , , . 34 



AVES, 



10. Common Pigeon, Columba livia ; , , \ , 46 



11. Skeleton of same . . . , .' . . 58 



REPTILIA. 



12. Common Ringed Snake, Tropidonotus natrix , . " , .' 67 



13. Vertebrae of Python sp. ? . , ^ ' . . . 72 



AMPHIBIA. 



14. Common Frog, Rana temporaria . .74 



15. Skeleton of same ... 79 



PISCES. 



1 6. Common Perch, Perca fluviatitis , , , , ,'-, 83 



17. Skeleton of same ... . . 90 



1 8. Vertebrae of Cod, Gadus morrhua . . . , 99 



UROCHORDA. 



19. Ascidian, Ascidia affinis .... 102 



GASTROPODA. 



20. Shell of Edible Snail, Helix pomatia . . .107 



21. Heart and respiratory chamber of same . 109 



22. Digestive and reproductive organs of same . .113 



23. Nervous system of same . . . . . . .119 



