8 University of Michigan 



length of tail, ii, 1 1, 12, 12, 13, 13 mm., average 12 mm. ; width 

 of body, 6 mm.; greatest depth of tail, 4, 4.5, 3.5, 4, 4> 4 mn">-. 

 average 4 mm. ; depth muscular portion tail at base, 2, 2.5, 1.5, 

 2, 2, 2 mm., average 2 mm. 



Biifo fyphoniits (Linuceus). — A very common species about 

 Dunoon. It was found in all habitats from the thickets on the 

 mouries to the low forest along the river, but it seemed to be 

 most common in the forest on the lower parts and at the foot of 

 the sand reef. 'JMiere is apparently a considerable sexual dimor- 

 phism in size ( Plate III) as the largest female measures 79 

 mm., the largest male, 32 mm. in length. The great variations 

 in coloration are indicated in the following general description 

 made from the living animals. Ground color above ustially 

 some shade of brown, sometimes grayish olive or ecru olive, 

 occasionally i)russian red; the dark markings (bister, carob 

 brown, warm sepia or black) when fully developed consisting 

 of a preocular l;an(l, an interocular band, a shoulder band, a 

 sacral band, and a i)elvic band, all interrupted on the vertebral 

 line, some usually wanting or reduced to spots, the sacral and 

 interocular bands most persistent, upper surface sometimes im- 

 maculate, occasionally the entire upper surface of head the 

 color of the interocular band; sometimes a vertebral stripe of 

 greenish bufl, deep olive buff, cartridge btiff or tea green. 

 Sides of body cream buff, deep olive buff or some dark shade 

 of brown (chestnut, carob brown, walnut brown), black, or 

 reddish (orange cinnamon or terra cotta), immaculate or 

 marked with cream buff, ivory yellow or fawn-color. The 

 belly may bs immaculate ivory yellow, honey yellow, pale 

 orange yellow, cream buff or cartridge buff, the region of the 

 chest ochre red, burnt sienna, orange cinnamon, ferruginous. 

 Hay's russet, or coral pink ; or the under surface may be spot- 

 ted or washed with cream buff', cartridge buff, deep olive buff', 



