32G Prof. M. Bezzi on the First 



sleiidor than tliose of suhulatust ; in this latter species the liin 1 

 tarsi are dislinctly tliiclceiieil, while in tasmanieusis they are 

 thin. The colour ot" the legs is, moreover, much lighter in 

 tasinaniensisf the tibiaa ami tarsi being entirely yellowish, 

 while in subuhitiis they are mainly black. 



Additions to my Catalogue of the descuibed Diptera 

 WITH Reduced or Aborted Wings. 



Most oE the following species have been described subse- 

 quently to the preparation of my paper of 1916, or, owing to 

 tlie war, have not come to my knowledge ; a few of the older 

 records have been previously overlooked by me. 



With the following 45 additions the number of cases 

 observed (corresponding exclusively to degrees 3-8 of my 

 gradation, pp. 99-110) amounts to 384. 



1. n T U O « U H A P H A N E M A T C K U A (1-10). 



Fam. Tanyderidae (1), 



li. Vrotoplasa vanduzeei, Alexauder, Eut. News, xxix. p. 2So (I'JlS). — 

 Calii'oruia. 



Fam. TiptUidae (28). 



3. Tijndti vurh'petmi^, Mei^^eii, Svst. Beschr. i. p. 183 (1818). — Europe. 



3. T. luteipennis, Meigen, Sy.-t. Be>chr. vi. p. 288 (1830;. — Europe. 



o. T. gynaptcia, Alexander, Juuru. N.Y. Eut. Sue. xxvi. p. 72 (1918). 



— Siberia. 

 o. T. rothschildi, Alexander, Bull. Mus. Paris, 1920, p. 318 (1920).— 



Abytsiuia. 

 5. T. imperfecta, Riedel, Voy. All.-Jeauu., Dipt. iii. p. 94 (1914).— 



Kiliuiandjaro, Africa. 

 5. 7'. chionoide.^, Alexauder, Anu. S. Afr. Mu3. xvii. p. 1(34, iig. 2 



(1917). — South Africa. 



4. T. subupterofiyne, Alexander, Ann. Ent. Soc. Aiuer. xiii. p. 200 



(1920). — Formosa. 



5. T. tchiltiei/i, Alexauder, Jouru. N.i'. Ent. Soc. xxvi. p. 73 (1918). 



— Pribilof I.slauds. 

 4. T. abortiva, Alexander, Ent. News, xxv. ]>. 3.J8 (l!)14).— Peru. 

 0. Lo/u/uno viicropt^vyx, Alexauder, Auu. S. Air. Mus. xviii. p. 217 



(1921). — Soulh Africa. 



Fam. Limoniidae (30). 



4. Tn'n/pfiona hannai, Alexander, Can. Ent. 1917, p. 209. — Pribilof 



Islands. 

 3. Tr. dcyenerata, Alexauder, Ca-i. Ent. 1917, p. 207.— Colorado, 



U.S.A. 

 3. Gynoplistia bona, Alexauder, lus. lusc. menstr. 1920, p. 123. — New 



Zealand. 

 3. Limuophila rhicunptil„i<hs, .Alexander, Can. Arct. Expod. 1919, p. Gc 



(1919). — N.W. Arctic TerriUtries. 



