118 RANID A, 
above, or light with symmetrical dark markings, with or without a 
light vertebral line and another along the hind part of the thighs ; 
limbs cross-barred. 
W. Africa. 
5, Arthroleptis boettgeri. (Puare XI. fig. 6.) 
Head moderate; tympanum hidden. Third finger scarcely more 
than once and a half the length of second; tips of fingers and toes 
not dilated ; two metatarsal tubercles. The hind limb being carried 
forwards along the body, the tibio-tarsal articulation marks the 
shoulder. Skin perfectly smooth; a curved fold from the eye to the 
shoulder. Olive above; a light line from below the eye to the 
shoulder; in some specimens, a light vertebral line and a broad 
light stripe from the scapular region to the groin; transversely 
dilated dark spots on the legs; belly generally with round black 
spots, inferior surface of limbs with dark vermiculations. Male 
with a large external subgular vocal sac. From snout to vent 
19 millim. 
Kaffraria. 
a-d. 3. Vleis, Kaffraria. F. M. Weale, Esq. [P.]. 
This species is named in honour of Dr. O. Boettger, of Frankfurt 
a. M. 
6. Arthroleptis calcaratus. 
Hemimantis calearatus, Peters, Mon. Berl. Ac. 1863, p. 452. 
Arthroleptis calearatus, Peters, Mon. Berl. Ac. 1875, p. 210. 
Head moderate; tympanum hidden, one third the width of the 
eye. Third finger once and a half the length of second; fingers 
and toes with distinct disks ; three metatarsal tubercles. The hind 
limb being carried forwards along the body, the tibio-tarsal articu- 
lation reaches nearly the tip of the snout. Upper surface of body 
with a few flat warts; a spine-line dermal appendage on the hind 
part of each eyelid; lower surfaces quite smooth. Brown above, 
black-spotted; sometimes a broad yellow vertebral line. 
Boutry, coast of Guinea. 
7. Arthroleptis horridus. 
Hemimantis horrida, Boeltyer, Zool. Anz. 18e0, p. 282. 
Head large, distinctly broader than the body ; tympanum slightly 
distinct, one fourth the size of the orbit. Fingers and toes with 
distinct disks, those of the latter smaller; a single metatarsal 
tubercle. Skin tubercular. Grey above; three transverse black 
stripes on the back ; limbs cross-barred ; sides of belly black, with 
a few large white spots. 
Nossi Bé, Madagascar. 
