440 ON REPTILES AND BATRACHIANS FROM SOUTHERN ANNAM. 



superiorly. Young with paler (yellowish) head and shoulders, 

 and with the markings more clearly defined. 



21 specimens examined. 



This fine Megolophrys was common on the Plateau above 

 1500 metres, and the loud, harsh croakings of the males could be 

 heard at all times of the day and night. It was by means of 

 their call that most of them were discovered and finally tracked 

 down to their hiding-place in some deep crevice between the 

 rocks or boulders of the streams in which they lived. 



Megalophrys hasseltii Tschudi. 



Bouleng., Fauna Malay Pen. p. 282 (1912). 

 Var. pullus, nov. 



Differs from the typical form in the longer and more pro- 

 minent metatarsal tubercle (at least twice as long as broad), 

 longer leg (to tympanum), smaller size, and in colouration. 

 Toes \ webbed. 



Dark grey above, sometimes with indistinct darker markings. 

 Limbs with alternate dark and light cross-bars. Below whitish 

 or brownish. Upper half of iris (in life) scarlet. 



Type locality, Arbre Broye. Also found at Camly. 



Altogether 20 specimens were obtained, which I have been 

 able to compare with some 20 examples of the typical form from 

 Siam and the Malay Peninsula. 



Measurements of type series in mm. 



Author's Nos 2093 2101 2108 2091 2103 2090 2105 5192 



Snout to vent 49 44 52 45 44 45 44 49 



Head 17 15 18 15 15 1(3 15 17 



Width of head 21 19 22 20 19 19 18 21 



Interorbital 6 5 7 5'5 5 5'5 5'5 5'5 



Arm 30 27 38 27 29 28 29 34 



Hand 12 10 13 10 10 10 10 12 



Leg 56 50 62 51 52 51 50 56 



Tibia 17 15 18 15 15 15 15 17 



Foot 17 16 18 15 15 15 ' 15 17 



EXPLANATION OF THE PLATES. 

 Plate I. 



Fig. 1. Fimhrios klossi. 



2. Mana montivaga. (Nat. size.) 



PlATE II. 



Fig. 1. Mana sauteri var.joJinsi. (Nat. size.) 

 2. Mana millet i. (Nat. size.) 



