246 Lt. Col, A. Alcock on the 



the anterior costa is barred with numerous alternate dark and 

 light spots or streaks. Wing-scales almost always narrow. 

 Palpi usually slender. 



Chiefly Ethiopian and Oriental, but also represented in 

 the Palsearctic and perha])S in the Neotropical regions. 



a. In tlie ordinary Mi/zomijia series the vestiture of the 

 scutum consists mainly of hairs or hair-like scales. 



b. lu the ''Pyretophorus " series the vestiture of the scutum 

 consists mainly of narrow f alculate scales. 



/. Sul)genu3 NYSsoRHYNCHtrs, Blancliard. 



(Including Nyssorhytichus, Neocellia, and CeZ/irt of Theobakl's Monograpli, 

 Calvertina of Ludlow, and Christopher sia of James.) 



The scutum is fairly well covered with short, more or less 

 recumbent, elliptical scales of considerable breadth, which 

 cannot be contused with hairs. Narrow scales are also 

 almost always present on more or less of the abdomen. The 

 wings^ though they have a dark cast, are much speckled, and 

 there are always numerous spots on the costa. Wing-scales 

 rather broad. Palpi shaggy. It is very common for the 

 legs to be profusely speckled or finely barred with white, and 

 for some of the tarsal segments of the hind legs to be white. 



Ethiopian, Oriental, Australian, and Neotropical ; one 

 species enters tlie confines of the Palsearctic region. 



a. In the ordinary Nyssorhynchus series there are no scales 

 on the anterior abdominal segments and no outstanding tufts 

 of scales. 



h. In the '' NeocelUa^^ series there are scales on the dorsal 

 surface of all the abdominal segments (though they are 

 often very sparse on the anterior segments) and no out- 

 standing tufts of scales. 



c. In the " Cellia " series all the abdominal segments are 

 fairly well clothed with scales, and in addition there are 

 outstanding tufts of scales, which may be either lateral or 

 ventral. 



(/. Subgenus Ohagasia, Cruz. 

 (Including Chagasia, Cruz, and Myzorhynchella, Theobald.) 



The scutum is covered with distinct more or less recumbent 

 scales of considerable breadth. The vestiture of the abdomen 

 consists of hairs, but there may be some narrow and incon- 

 spicuous scales on the genital lobes. The wings have a dark 

 cast, though they may be spotted ; the wing-scales are of 

 considerable breadth. The palpi are shaggy with scales and 



