EAST AFRICAN REPTILES AND AMPHIBIANS 41 



The series is comprised of eight males and nine females, all adults 

 of average size. The sexes may be readily distinguished by the pres- 

 ence of femoral pores in the males, such pores being absent in the fe- 

 males; in these eight males the pores range from 16 to 25 a side, though 

 on account of there being sometimes more on one side than on the 

 other the total range is from 30 to 49. The average number of rows 

 of conical tubercles is 12, the range being from 10 to 16, the most 

 southerly specimen (Morogoro) having the lower number and the most 

 northerly gecko (Tana River) the highest; East African mahouia ap- 

 parently average less than Congo examples for Schmidt, with a series 

 of 75 of these lizards, found a range of from 14 to 18 rows. All agree 

 in possessing the typical number of 7 to 8 lamellae under the median 

 digit. The chin shields are normal except in No. 49300, where the 

 second pair are excluded from contact with the second labial by the 

 interposition of two small scales, a condition already noted by Stej- 

 neger in the case of two Aldabra Island mahouia, which are in the col- 

 lection of the National Museum. 



HEMIDACTYLUS PEKSIMILIS Barbour and Loveridge 



Hemidaciylus persimilis Barbour and Loveridge, 1928, Mem. Mus. Comp. 

 Zool., vol. 50, p. 140, pi. 4, figs. 1 and 3. 



1 (U.S.N.M. 62827) Lumbo, Mozambique. (Loveridge) 1918. 



This specimen is a female measuring 105 (50 + 55) mm. ; it is a topo- 

 type but not a paratype. 



HEMIDACTYLUS BROOKII Gray 



Hemidadylus brookii Gray, 1844, Zool. Erebus and Terror, pi. 15, fig. 2; ("Aus- 

 tralia, Borneo"); 1845, Cat. Lizards Byt. Mus., p. 153. — Botjlenger, 1885 

 Cat. Lizards Brit. Mus., vol. 1, p. 128. 



1 (U.S.N.M. 42175) Wadelai, Rhino Camp, L. E. (Sm. Afr. Exped.) 



1910. 

 1 (U.S.N.M. 42507) Gondokoro, U. (Sm. Afr. Exped.) 1910. 

 1 (U.S.N.M. 63608) Mombasa, K. C. (Raven) 1920. 



The lamellae on the underside of the median digits are somewhat 

 less numerous, being only 4 or 5 even when the unpaired terminal 

 lamella is counted; those of the first digits range from 3 to 4. 

 Schmidt, ^^ reporting on a large series of Congo geckos, found 4 to 6 

 for the inner digit and 6 to 9 (9 rare) for the median. The upper 

 labials range from 7 to 9 and the lower from 6 to 8. In length from 

 snout to vent these three geckos measure from 38 to 61 mm.; the tails 

 have been reproduced in every case. 



HEMIDACTYLUS RUSPOLH Boulenger 



Hemidadylus ruspolii Boulenger, 1897, Ann. Mus. Civ. Genova, ser. 2, vol. 17 

 (37), p. 6, pi. 1, fig. 1 and la-c. (Lugh, Bardera, Magala Umberto Id., and 

 Dolo, Southern Somaliland). 



Male (U.S.N.M. 49374) ? Merelle River, K. C. (Heller) 1911-12. 

 Female (U.S.N.M. 49812) Marsabit Road, K. C. (Heller) 1911-12. 



i« Schmidt. 1919, Bull. Amer. Mus. Nat. Hist., vol. 39, pp. 44ft-452. 



