KOTE3. 229 



from Mexico. They look exceedingly like costal!*. Of T. costal is, the 

 types in Wiedemann's collection are very poor specimens, and for this 

 reason, probably, his description is unrecognizable. 



89. Tabanus fulvescens Walker. I have seen Walker's type in the 

 Brit. Mus.; it is T. licolor Wiecl. What I described as T. fulvescens 

 is very probably only a variety of T. licolor, with gray, instead of 

 yellowish pleurae. A similar variety occurs in T. fnlntl>ts. 



90. Tabanus Craverii. May possibly be an Atylotus. The typical 

 specimens, females, looked very much that way. 



91. Mr. Loew (in lift.) proposes to divide in the Leptidcie two sections : 

 I. Psammorycterina, without facial swelling and with a strong 



spur on the front tibiae; genera: 1. Pheneus, as the typical 

 genus, closely allied to: 2, Pscumnorycter (Syn. Vermileo); 

 '3. Triptotricha. 

 II. Leptina, with a facial swelling, but without spur on the front 



tibiae; all the other genera. 



About Leptidae compare also Franenfcld, Verh. Zool. Bot. Ges. 

 1867, p. 495. 



92. Leptis Servillei Guerin. I suspect this is nothing but Cln: 

 iinnita Say. But the femora are said to be brown? The figure however 

 does not show it. 



93. Atherix filia Walker; is either punctlpmnis Say, or plnmbect Say. 



94. Leptis cinerea Bell according to the description, cannot well 

 belong to Leptis; compare antennae, shape of anal cell etc. [Loew, in 

 litt.]. The type in Mr. Bellardi's collection is, unfortunately, nearly 

 destroyed: only the thorax and wings are left. 



95. Spania edeta; the specimen in the Brit. Mus. seems to be a 

 real Spania, that is a Leptid with a stout, styliform arista. 



96. Grlutojs. I am uncertain about the position of this extra- 

 ordinary genus, but prefer this place to any other. 



97. H. Loew's Monograph: Ueber die Etuopaischen Raubfliegen 

 (Diptera Asilica), in the Linn. Ent. Vol. II, III, IV: Suppl. in Vol. V, 

 1847 1851, laid the foundation to the systematic distribution of this 

 family. This work was supplemented by him iu numerous later publi- 

 cations, especially in the: Bemerlumgen uber die Familie der Asiliden, 

 Berlin 1851, and Die Diptern-Fauna Siidafrica's, Berlin 1860. About 

 the exotic Asilidae, the following important papers by Dr. R. Schiner 

 may be consulted : 



1. Die Wiedemannn'schen Asiliden (in the Verh. Zool. Bot. Ges. 

 1866, p. 649722; Nachtrag^ p. 845848). The usefulness of 

 this paper is somewhat impaired in consequence of the misappre- 

 hension under which it was written, about the distribution of 

 Wiedemann types between the so-called Wiedemann's and the 

 Wintho.m's collections, now both in the Vienna Museum. I have 

 explained the whole matter in the preface to this volume. Some 

 curious mistakes have arisen in consequence, as for instance, in 

 the case of J&rax aestuans (see my note 125). But Dr. Schiner's 

 paper is nevertheless rendered invaluable by a survey of all the 



