BA.TRACHIANS PROM EAST AFRICA. 



413 



Subgenus Hildebrandtia. 



5. Rana ornata Ptrs. 

 Ex-G.E.A. 



1 specimen, $ . Length 56 mm. 



Exquisitely marked with series of dark, large, elongated spots, 

 broad temporal bands, barred limbs; throat and breast mottled 

 with dark brown, with tlie characteristic paired Y-markings. 



Chiromantis. 



6. Chiromantis xerambelina Ptrs. 

 Ex-G.E.A. 



1 specimen, probably a female. Length 66 mm. 



7. Chiromantis petersii Blgr. 

 Dodoma. Ex-G.E.A. 



3 specimejKS. Length 50, 55, and 59 mm. 



Inner fingers with a mere rudiment of web, outer difiering 

 from those of the type in being 5 instead of 3 webbed. 



Phrynobatrachus. 



8. Phrynobatrachus natalensis Smith. 



Kagiado. Nairobi. Longido West. Morogoro. 



29 specimens. Average length of adults 30 mm. 



An extremely variable species. Toes sometimes instead of, | 

 webbed. Skin perfectly smooth or extremely wai ty ; all male 

 specimens from Nairobi are of the latter description, but three 

 females from the same locality are smooth. A wide white 

 vertebral streak in three specimens. 



9. Phrynobatrachus ranoides Blgr. 



Morogoro. Ex-G.E.A. 



2 specimens. Length of larger 33 mm. 



10. Phrynobatrachus boulengeri de Witte. 

 Morogoro. Duthumi. Gonya. Tulo. Ex-G.E.A. 

 61 specimens. Average length of adults 26 mm. 



Skin perfectly smooth or warty. Markings variable, three 

 forms with and one without vertebral bands ; five specimens 

 have a very broad vertebral band, two have a broad one, and two 

 have a fine white vetebral line. These four forms are shown 

 in figures of P. natalensis*, P. Z. S. 1907, pi. xxii. 



* Boulen2:er, " Second Report on the Batrachians and Reptiles collected in South 

 Africa by Mr. C. H. B. Grant. . . ." 



