THOMPSON YATES AND JOHNSTON LABORATORIES REPORT 
Fabr., Ent. Syst. IV. p. 209. n. 2 (1794). 
Rodsch., Medic. Bemerk. Essequibo p. 307 (1796). 
Oken, Lehrb. Naturg. iii. p. 402 (18 15). 
Latr., in Deterv., Nouv. Diet. Hist. Nat. XXVIII. p. 251 (18 19) (probably not congeneric 
with irritans). 
J'ohl, Reise Brasil. i. p. 106 (1821). 
Humboldt, Foy. Noiw. Cont. VII. 19. p. 250 ; 20. p. 129 (1820-22). 
Durmkr., Consider. Ins. I. 54. f. 4, 5 (1823) ; 
Kirby and Spence, lntr. Ent. I. p. 102 (1828). 
St. Hilaire, Foy. Rio Janeiro I. p. 35 (1830). 
Pohl and Kollar, Brasil. Forziigl. Last. Ins. p. 8. fig. (1832). 
St. Hilaire, Foy. Brez.il I. p. 228 (1833). 
Lucas, in Guerin, Diet. Pitt. Hist. Nat. II. p. 163. t. 105. fig. 1, 2 (1835). 
Rengg., Reise Paraguay p. 274 (1835) (long account of habits). 
Watert., Mag. Nat. Hist. IX. p. 290 (1836) (Guiana, habits). 
Duces, Ann. Sc. Nat. (2). VI. p. 129. t. 7 B (1836) (first scientific account of morphology). 
Vollm ., in Gist/e, Fannus p. 274 (1837) (abstr. of Rengger's account). 
Sells, Trans. Ent. Soc. Loud. II. p. 195 (1839) (Jamaica). 
Blanch., Hist. Nat. Ins. III. p. 633 (1840). 
Gervais, Hist. Nat. Ins. Apteres III. p, 368. t. 49. fig. 1 1 (1844). 
Goudot, Ann. Sc. Nat. (3). III. p, 224, footnote (1845). 
Tschudi, Reiseskizzen aus Peru I. p. 310 (1846), 
Schomburgk, Reise Brit. Guiana p. 122 (1847). 
Lucas, in Orbigny, Diet. Hist. Nat. X. p. 626 (1849). 
Gosse, Nat. So/. Jamaica p. 177 (185 I ). 
Burm., Reise Brasil. p. 284 (1853). 
Mantkgazza, Amcr. Meiid. I. p. 285 (1858). 
Moussy, Deser. Confed. A 1 gent. II. p. 52 (i860). 
Vizy, Rec. Mem. Med. Chir. Pharm. Milit. (3). X. p. 306 (1863). 
Laboulb., Bull. Soc. Ent France p. 6 (1867) (Paris ; on person from Pernambuco). 
Lebas, Anim. Nuisibles (1867). 
Bonnet, Mem. sur la Puce penelrante (1867) (two plates : morph., biology). 
Ullersp., Zeitschr. Paiasitenk. II. p. 292 ( 1 8 70) ; Wright, Amer. Nat. III. p. 386 (1870) ; 
A met. Natur. XI. p. 756. plate (1877). 
Wood, in Watert,, Wanderings p. 386 (1879). 
Combes, Le Cosmos XLIV. p. 424. fig, (1902). 
Dermatophilus penetrans, Guerin, leonogr. Regne Anim. p. 12 (1838-40); Laboulb., in Diet 
Eneyel. Se. Med. p. 239 (1876). 
Dermatophilus penetrans, Lucas, in Guerin, Diet, Pit. Hist. Nat. VIII. p. 394 (1839). 
Sarcopsy/la penetrans, Westwood, Trans. Ent. Soc. Loud. II. p. 19. t. 20(1840); id., lntrod. Mod 
Classij. Ins. II. p, 493 (1840) (Sarcopsylla has priority). 
Kolenati, Hor. Soc. Ent. Ross. II. p. 28 (1863). 
Kuenkel, Ann. Soc, Ent, France p, 1 3 5 (1873), 
Wallis, Fer. Natur-zv, Unterh. Hamburg!!, p, 193 (1875). 
Soyaux, West Afrika I. p. 328 (1879) (introduced into Africa in 1872). 
Heinersd., in Buchholz, Reis. West Afrika p. 169 (1880). 
Lux, Forschungsr . Aequat. West Afrika p. 149 (1880). 
Taschenberg, Die Flohe t. 1. fig. 1-3. p. 44, 106 (1880). 
