526 The Philippine Journal of Science 1923 



Rana micrixalus sp. nov. Plate 2, figs. 2, 3. 



Type —No. 1598A, E. H. Taylor collection ; collected at Abung- 

 abung Basilan, October 20, 1920, by Edward H. Taylor. 



Description of type.— Choanal small, only partially concealed 

 by overhanging jaw; vomerine teeth distinct, in two oblique 

 series lying between and behind choanse, separated from each 

 other by a distance only little less than the length of one series; 

 tongue oval with two slight horns, widely separated at base; 

 no tubercle on tongue; snout short, rounded; nostril distinctly 

 lateral, about equidistant from eye and tip of snout; canthus 

 rostralis rounded; loreal region sloping slightly; tympanum 

 large, distinct, more than three-fourths diameter of eye, sepa- 

 rated from eye by a distance equal to little more than one- 

 third diameter of tympanum ; eye small ; upper eyelid contained 

 in interorbital distance one and one-half times; diameter of 

 orbit equal to its distance from anterior edge of nostril; skin 

 above very minutely granulate, nearly smooth on head, but 

 with large pustular tubercles on back ; a pair of large pustular 

 tubercles forming an indistinct V-shaped mark on shoulders; 

 a very broad glandular dorsolateral fold from eye to near anus; 

 a supratympanic fold, from eye to insertion of arm, in the 

 form of a curve which covers edge of tympanum; it forms an 

 angle above arm and ends in a tubercle; two glandular tuber- 

 cles at angle of mouth; arm granular above; tibia with two 

 prominent enlarged tubercles and several smaller ones; tips of 

 fingers ending in small rounded knobs; hand without webs; first 

 finger longer than second; subarticular tubercles very large, 

 well developed; a strong inner carpal tubercle and a small 

 rounded outer; toes with tips dilated into small disks; subar- 

 ticular tubercles well developed, toes about half webbed, the 

 membrane not reaching any of the disks save as a narrow 

 margin; no skin fold on outer side of fifth toe; a prominent 

 inner metatarsal tubercle, outer apparently wanting; a slight 

 skin fold on heel continued from metatarsal tubercle; the leg 

 brought forward, the tibiotarsal articulation reaches beyond 

 tip of snout ; a distinct fold from angle of mouth across breast. 



Color in life.— Above mottled lavender, darker on head; tu- 

 bercles on back purplish; below dorsolateral folds and on side 

 of head purplish, darker anteriorly; tympanum brown; throat 

 purplish with yellow spots on jaws and throat; belly yellow 

 to flesh ; outer end of femur purplish ; palms and soles purplish ; 

 limbs above barred with purple. 



