14 
MR. W. K. PARKER OK THE STRUCTURE AND 
Fifth Family. “ Engystomidpe.” 
Ear rather imperfect; dilated sacral apophyses ; without parotoids; and with free 
toes. 
Genus Engy stoma. 
71. Engy stoma car olinense, Holer. —Adult male, 11 lines long. Florida. 
I. B. b. Toads with digital disks. 
First Family. “ Hyljedactylid^e.” 
Ear perfect; webbed toes ; dilated sacral apophyses ; and no parotoids. 
Genus Callula. 
72. Callula pulchr a, Gray. —Adult female, 2§ inches long. Pegu. 
Second Family. “ Hylaplesidje.” 
Ear perfect; toes free; processes of sacral vertebrae cylindrical; and without 
parotoids. 
Genus Ekylaplesia. 
73. Hylaplesia tinctoria, Schneid., sp.—Adult female, 1 ^ inch long. South 
America. 
IF—ANURA AGLOSSA. 
Without tongue; 
pani entirely bony. 
ear perfectly developed ; Eustachian tubes united; cavum tym- 
a. With maxillary teeth. 
Family “ D act ylethrid m.” 
With webbed toes ; dilated processes of sacral vertebrae ; and without parotoids. 
Genus Dactylethra. 
74. Dactylethra Icevis, Daud., sp. ( D. capensis, Cuv., see Phil. Trans., 1876, 
pp. 625-648, Plates 56-59.)—Adult and four larval stages. S. and W. 
Africa. 
b. Without maxillary teeth . 
Family “ Pipida:.” 
With webbed toes; and with the processes of the sacral vertebrae dilated; no 
parotoids. 
Genus Pipa. 
75. Pipa Americana, Seba. (see Phil. Trans., 1867, pp. 648-665, Plates 60-62.) 
—Adult, ripe young, and larvae 9 lines long. 
