392 Lord Rothschild on Lepidoptera collected on 



of a Haemogregarine, x 1500. B=botryoidal tissue; C = co- 

 agulated leech-blood ; S=spores; W= wall of blood-vessel. 

 Fig. 3. Trichodina sp., x 750. A = acetabulum ; D= ingested diatoms; 

 G = lateral groove ; N=nucleus. 



Plate XVII. 



Fig. 1. Parasites from blood of Scomber scomber. 1 & 8. Typical forms 

 in medium lymphocytes. 2. Double infection in lympho- 

 cyte. 4 & 7. Single Hulteridivm-Y\kQ bodies in erythrocytes. 

 5 & 6. Double infection by smaller rounded forms. 



Fig. 2. Hcemogregarina sp. from blood of lluiu batis. 1-Jf- Typical 

 examples of the parasite. 5. A case of double infection. 



XLVII. — On the Lepidoptera collected in 1913-1914 by Herr 

 Gcyr von Schweppenburg on a Journey to the Hoggar 

 Mountains {Sahara). By LOKD ROTHSCHILD, F.R.S., 

 Ph.D. 



[Concluded from p. 258.] 



Part II. 



Geometridae. 



Hjshitheinm. 



(58) Ilemidromodes affinis, sp. n. 



£ . Allied to H. robusta (Prout), but much smaller, and 

 the transverse lines are sharply defined, not merely indicated. 



2 . Also smaller than robusta, and has two conspicuous 

 transverse white bands on both wings, whereas the ? of 

 robusta has no markings. 



Length of fore wing, <$ > 6 mm. ; expanse 14 mm. 



,, „ „ 2 , 10 mm., $ robusta, 16 mm. 



1 (J, 1 ?, Tahihout, « April 2b, 1914; 2 ? 2, Amgid, 

 April 22, 1914 (type ?). 



(59) Hemidromodes subbrunnescens, Prout. 



Ilemidromodes subbrunnescens, Prout, Trans. Entom. Soc. Lond. 1915, 

 pt. 3 (Somaliland). 



3 S S , Rharis, April 15, 1914. 



(60) Acidaliastis micra di'ssimilis (Warr.). 



Fuchhris dissimilis, Warren, Novit. Zool. vol. xii. p. 26, pi. iv. fig. 27 

 (1905) (Nakheila). 



1 2 , Oued Dehin, N. of Idelcs, March 20, 1914. 



