EAST AFRICAN LIZARDS. 



161 



at Gonya (29. v. 17) and Morogoro (1916-1918) in G.E.A., and 

 Lumbo,(1918) in P.E.A. Specimens which I believe to belong 

 to this species were taken at Tsame, Handeni, and Msiha in G.E.A., 

 but were lost in transit. Over 90 specimens were collected in 

 all. Many of the Morogoro specimens might be referable to 

 Gh. dile2)is isahellinus (Glinther), but as there is a good deal of 

 intergradation, and sub-specificity of isahellimts is somewhat 

 doubtful, I refer them all to Ch. dilepis. 



The following are some of the measurements : — 



Female. Yoi. Snout to tail 7| in. (.142-115 mm.). 



9^„ (130-100 mm.). 

 6yL ,^ (90-80 mm.). 

 13| (largest of 23 speci- 

 mens). 



11 (138-144 mm., average 

 of 23 specimens). 

 14| ,, (largest of 26 speci- 

 mens). 



12| (158-161 mm., average 

 of 26 specimens). 

 Hi ,, (148*153 mm., average 

 of 50 specimens). 

 11| ,, (145-140 mm., average 

 of 13 S2:>ecimens). 



At Morogoro the sexes were very evenly balanced, but at Luml)o 

 no males Avere taken at all ; thirteen females were taken between 

 July and October. 



The number of eggs produced at a time is enormous. The Yoi 

 specimen (6. v. 16) contained 44 ; the Mbunyi female (10. v. 16) 

 28 ; at Morogoro between end of February and early in March 

 the largest number of eggs found were 48, 44, 43, and 40 

 respectively. These eggs when nearly ready for laying are 

 almost spherical, and measure from 9-10 mm, in diameter. On 

 January 1st, 1917, after very heavy rains, the sun shone out 

 brightly. I took two very young chameleons on shrubby growths 

 not more than a foot from the ground and quite half-a-mile away 

 from each other. These young have a ridiculous appearance, the 

 head being out of all proportion to the body ; the occipital lobes 

 are scarcely developed ; their coloration was much brighter than 

 in the adult. Both measured less than 3 inches ; other very 

 young ones were taken in February and March. Oviposition 

 takes place between March and June apparently, which coincides 

 with the rains; no enlarged ovules were found after April at 

 Morogoro, or in the thirteen Lumbo females which were collected 

 between July and October. 



The chief diet of the species is grasshoppers ; I have also seen a 

 captive specimen take a large black field-cricket. The following 

 have been found in their stomachs : — Cockroaches, a praying 



Proc. Zool. Soc— 1920, No. XI. 11 



Female. Mbunyi. 



Male. Gonya. 



Male. Morogoro.. 



Male. 



Female. ,, 

 Female. ,, 

 Both sexes. ,, 



Female. Lumbo. 



