122 (du. a. c. oudejvians) list oï butch acaki. 



an order, a class nay even a type of llie animal kingdom 

 in our days, or with oilic)' words, the names «family, oi'der, 

 class , type , » only do express a quantity of our systematical 

 knowledge. Such words are good for a manual of zoology for the 

 the use -of schools. — The name TromhuUdes was also used by 

 SuNDFA'ALL in his Gonspectus Arachnidum, 1833, by Nicolet in 

 Mém. Mus. Par. VII, p. 383. The following names are used after 

 1814 for the same group: Tromhitlid Dugl-:s (Ann. Sc. Nat. (2) 

 1. p. 45.), 1834; Gervais and Van Beneden Zool. méd II. p. 455, 

 1869; Méc.nin in Tourn. Anat. Phys XII. p. 293, 1876; in 

 Rev. Mag. Zool. p. 43, 1877; Méc.nin Paras. Malad. paras, p. 108, 

 238 (= Tromhulldes Leach + Cursoria Gwmmy) ; Landmilbeu, Kocii, 

 Ueb. d. Ar. Syst. Ill, p. 41, 1842; YVöwAif/iw^^ Van der Hoeven, 

 Handb. d. Dierk. p. 674, 1849; Gerstaecker , Ilandb. Zool. II, 

 p. 341, 1863; Giebel, Naturg. Thierrh. IV, p. 392, 1863; 

 Hayek, Handb Zool. Il, p. 139, 4881; Troii/bididae Harting, 

 Grondb. Dierk. HI, p. 348, 1870; Glaus, Grundz. ZooL 1. p. 652 , 

 1880; Brass, Abr. d. Zool. p. 328, 1882; Tromhldiouidae Don- 

 NAUiEU, Rech, s. I. Tétran. p. 9, 1874; Trombi diadae Brady, in 

 Proe. Zool. Soc. 1875, p. 303; and in Proc. Zool. Soc. 1877, 

 p. 25 ; Trombldmi Ganestrini and Fanzago in Att. R. 1st. Ven. 

 Sc. Lett. Art. (5) IV, p. 3, 1877; Tronihidlinae Murray, Econ. 

 Ent. Apt. p. 93, 95, 1877; Tronibidioidae Thorell, in Ocfv, 

 Kong. Vet. Akad. Forh. p. 687, 1871, and p. 162, 1872. 



2. — Trombldiacea. — In 1859 Grube (Arch. f. Nat. Liv.- 

 Ehst.- und Kurl. (2) I. p, 434) gave this name to the subdi- 

 vision which in his days contained only the genus Trombidiwu. 

 Koch had already created the name TrowMdides (Ueb. d. Arach: 

 Syst. Ill , p. 41 , 1842; but Leach used already in 1814 this 

 name for the whole group, see above. — Andersen (Oefv. Kong. 

 Vet. Akad. Forh. 1863, p. 182) also used the name of Koch. — 

 Kolenati (Wien. Ent. Mon. II. p, 3, 1858) called the six-legged 

 larvae Sphaeroni/ssida. — I found further the following syno- 

 nyms: Trombldloiddae Mégnin in Journ. Anat. Phys. XII, 

 p. 293, 1876; Tfombldlnl Canestrini and Fanzago in Att. R. 



