COLLECTED AT BAOHIAN, KAISAA, ETC. 133 



distinctly punctured. The face with a prominent longitudinal ridge 

 which extends from the anterior ocellus to the apical margin of the 

 clypeus ; the sides of the face with a pale golden pubescence ; the 

 cheeks have also a dense pale pubescence. The thorax has an obtuse 

 tooth on each side of the clypeus ; the sides, beneath, and on the 

 coxae and femora beneath, a dense short whitish pubescence. Wings 

 fuscous ; their base hyaline. Abdomen conical, elongate, tapering 

 gradually from the base to the apex, which is acute ; the apical seg- 

 ment has the ventral plate longer than the superior one, it being lan- 

 ceolate and not notched at the sides near the apex. 

 Hab. Bachian. 



Although I have characterized the genus Coelioxys as having the eyes 

 pubescent, yet amongst the exotic species, especially those from Africa, 

 there will be found species with the eyes naked : the present species be- 

 longs to the former division. 



Earn. DASYGASTEJE. 



Gen. Megachtle, Latr. 



1. Megachile Pluto. M. maxima adhuc cognita, aterrima; genis 

 abdominisque segmento basali pube vestitis ; mandibulis elongatis, 

 apice tridentatis ; alis fuscis. 



Female. Length 18 lines. Intense opake-black ; the head rather wider 

 than the thorax ; the clypeus slightly produced and subtridentate, and 

 shining black ; the cheeks covered with white pubescence ; the la- 

 brum elongate, thinly sprinkled with erect rigid hairs ; the mandibles 

 elongate, tridentate at their apex. Thorax thickly clothed with short 

 erect black pubescence. Wings fuscous and shining ; legs stout ; the 

 tibiaj rugged exteriorly. Abdomen covered with short black pubes- 

 cence above, beneath with decumbent rigid pubescence ; the basal 

 segment clothed above with white pubescence. 

 Hab. Bachian. 



This species is the giant of the genus to which it belongs, and is the 

 grandest addition which Mr. Wallace has made to our knowledge of the 

 family Apidce. We have given' a life-size figure of this remarkable bee. 

 Only a single specimen has been captured, and that a female ; it is to be 

 hoped that Mr. Wallace will make his discovery complete by the capture 

 of a male. (Plate . fig. 1.) 



2. Megachile Lachesis. M. aterrima, pube nigra dense vestita; 

 alis nigro-fuscis. 



Female. Length 9^ lines. Opake-black, densely pubescent ; mandibles 

 very stout, longitudinally striated, and armed with four blunt teeth. 

 The wings dark fuscous, with a violet iridescence. Abdomen clothed 



