20 Mcimm. 
MAMMALIA. 
(Italy); Hofmann, p. 7 (Styria) ; Neiiring, p. 11; Schlosser, p. 14; 
Woldrich, p. 18; Toula, p. 17 (Turkey). 
North America. See Scott & Osborn, p. 15. 
South America. See Amegiiino, p. 50; Trouessart, p. 17. 
III. — SPECIAL STRUCTURES, DEVELOPMENT, &c. 
Abnormalities. 
Foot. — See Boas, Artiodactyla ; Pfitzner, Canidce. 
Skull . — See Frigeria, Hominidce. 
Teeth. — See Mivart, Canidce. 
Circulatory System. — See Hill, Leporidce ; Kulczycki, Equidce. 
Coloration. — See Allen, Sciuridce ; Haacke, p. 6. 
Dentition. — See Calderon, Rodentia \ Heude, p. 6; Maka, 
Muridce ; Mivart, Canidce ; Schlosser, p. 15; Thomas, p. 17; Windle 
& Humphreys, Canidce. 
Development & Embryology. — See Bianciii, p. 3 (foetal membranes) ; 
Bieiiringer, Rodentia (germinal membranes) ; Duval, p. 4, and Rodentia 
(placenta) ; Hamburger, p. G (kiduey) ; Hociistetter, Rodentia 
(arteries) ; IIubrecht, Soricidce (germinal layers) ; Leciie, Marsupicdia ; 
Martin, Felidce (retina) ; Minot, Rodentia (placenta) ; Nussbaum, 
Rodentia (placenta) ; Paladino, p. 12 (placenta, &c.) ; Paterson, p. 12 
(nerves) ; Retterer, p. 13 (anal and urino-genital organs) ; Selenka, 
Primates ; Strahl, p. 1G, and Talpidce (placenta). 
Digestive System. — Boas, Artiodactyla (stomach) ; Montana, p. 10 
(glands); Thompson, Marsupialia (viscera); Tourneux, Felidce (intes- 
tine), Tuckermann, p. 18 (gustatory organs) ; Woodiiead & Cray, 
Cetacea (stomach). 
Eye. — S ee Martin, Felidce ; Ryder, Soricidce. 
Larynx. — S ee Thompson, Cetacea. 
Morphology. — See Bardeleben, p. 2 (prepollex) ; Broom, p. 3 
(quadrate) ; Carlsson, p. 4 (prepollex) ; Emery, p. 5 (manus and 
pes) ; Gadow, p. G ; Hociistetter, p. 7 (limbs) ; Kollman, 
p. 8 (manus) ; Leuthardt, Ungulata (foot) ; Maggi, p. 9 (cranial 
fontanelles) ; Schlosser, p. 15 (limb-skeleton) ; Tornier, p. 17 (ankle- 
joint). 
Muscles. — See Bardeleben, p. 2 , Carlsson, p. 4 ; Oudemans, 
Chiromyidce. 
Nerves, Brain, &c. — S ee Beevor, Hapalidce (brain) ; Bef.vor & 
Horsley, Primates ; Ciaccio, p. 4 ; Fusari & Panasce, p. 5 (tongue) ; 
Honegger, p. 7 (fornix) ; Lenhoss^k, p. 9 ; Paterson, p. 12 ; Sher- 
rington, p. 16 ; Spitzka, Pinnipedia (brain) ; Ziciien, p. 19 (cerebral 
convolutions). 
Osteology. — See Boas, p. 42 (Artiodactyle foot) ; Ficalbi, p. 5 
(cranium) ; Kukenthal, Cetacea ; Leuthardt, Ungulata (foot) ; 
