118 



Bull. Acad. Roy. Belg., ser. 2, t. 36. 

 phina, with Indication of the ordinal numeros under which the species are 

 described in the Synopsis or its three Additions. Intercalates "11 new 

 subgenera," of whicli Allopetalia alone is indicated as new. Gives a partial 

 synopsis of the 20 subgenera of Gomphus. Describes 21 (13 \_Ophiogom- 

 phus bison from Ual., Gomphoides ttuasa and G. pacifica from Mex. , G. am- 

 bigua from Guatemala = 4 N. A.] new) spp. ; re-dcscribes Dromogomphus 

 ar Hiatus d. 



* 869. Edm. de Selys Longchamps. Appendice aux 

 troisiemes Additions au Synopsis des Calopt^rygines. p. 610- 

 619. [Mar., 1874.] 



Describes 14 ( 7 [no N. A.] new) spp.; re-describes Hetnerlna titia <S 

 from the probable type specimen, and H. capilalis ; describes H. occisa var. 

 sublimbata n. var. Corrects the general list of species given previously. 



The Bull. Acad. Roy. Belg., s^r. 2, t. 37 (a. 1874), contain 

 no. 870 ; t. 38 (a. 1875), t. 39 (a. 1875), t. 40 (a. 1875), con- 

 tain nothing on N. A. entomology. 



* 870. Edm. de Selys Longchamps. Additions au Sy- 

 nopsis des Cordulines. p. 16-34. [Mar., 1874.] 



Treats of 23 species, of which 5 are North American; Epitheca nasalis, 

 Macromia magirijica = 2 n. N. A. spp. ; Macromia cmgulala, hitherto con- 

 sidered North American, is from tlie region of Bengal. 



The Annals and Mag. Nat. Hist, [see Rec, nos. 609- 

 619], ser. 4, v. 18, contain nos. 871 to 874. 



* 871. Fel. Plateau. Note on the phenomena of diges- 

 tion in the cockroach (Periplaneta americana). p. 355-356. 

 [Oct., 1876.] 



Abstract of the results of a study of these phenomena, confirming the 

 conclusions arrived at in his Recherches sur les phenomenes de la digestion 

 chez les insectes in the Memoires de 1' Academic Royale de Belgicjue, v. 41 

 (a. 1874) (a summary of which was given in the Annals and Mag. Nat. 

 Hist., V. 16 [a. 1875], p. 152) and maintaining that the digestive juices of 

 insects are never acid, in opposition to the views expressed by Jousset de 

 Bellesme in his Recherches experimentales sur la digestion des insectes et 

 en particulier de la blatte (Paris, 18 75. 8°) (an abstract of which was I'e- 

 produced under the title : On the function of the glands of the digestive 

 apparatus of insects in the Annals and Mag. Nat. Hist., v. 17 [a. 187G], p. 

 333) and in subsequent discussions. A claim of priority over Jousset's 

 work was made by Plateau in the Comptes rendus, v. 82 (a. 1876), p. 340. 

 [From the Bull, de I'Acad. Roy. de Belgique, v. 41, p. 1206.] 



* 872. Fel. Plateau. Researches on the phenomena of 

 digestion and on the structure of the digestive apparatus in the 

 Belgian myriopods. p. 437-438. [Nov., 1876.] 



