254 bobert h. wolcott: 



Haldeman, S. S. 



42. On some American species of Hydrachnidae. Zoological Con- 

 tributions, No. 1. Philadelphia, 1842. 



Describes 9 spp. of mussel parasites under the '"Genus ? 

 Unionicola" — U. oviformis, U. lactea (both = A. ypsilophorus) , 

 U. personata, U. humerosa, U. symmetrica, U. proximo,, U. lug- 

 bris, U. unicolor, U. reticulata (spp. undet.). 



Haller, G. 



81a. Die Hydrachniden der Schweiz. Mitth. der naturforsch. Ges- 

 in Bern, ii, 1881, 18-83, Pis. i-iv. Separate, Bern, 1882. 

 Synonymy and notes on A. crassipes, A. ypsilophorus, Coch. 

 spinipes. 



Harrington, Fletcher and Tvrrell. 



84. Report of the Entomological Branch for the season of 1883. 

 Ottawa Field Naturalists' Club. ii. 1884, 134-140. 

 Atax Bonzi (incorrect identification ?) and A. ypsilophorus in 

 America. 



Henking, H. 



82. Beitrage zur Anatomie, Eutwicklungsgeshichte und Biologie 

 von Trombidium fuliginosum Herm. Zeit. f. wiss. zool, xxxvii, 

 1882, 553-663, Pis. xxxiv-xxwi. 

 Ihering, H. von. 



92. On the Geographical Distribution of Atax. Tr. N. Zealand 

 Inst., xxv, 252-253. 

 Koch, C. L. 



35. Deutschlands Crustaceen, Myriapoden und Arachniden. Regens- 

 burg, 1835-41 (40 parts). Also iu Panzer's "Deutschlands 

 Insekten, " beginning with part 132. 



37. Uebersicht des Arachnidensystems. N urn berg, 1837-43 

 (4 parts). 



In the former, simply describes species, in the latter arranges 

 them systematically. Restricts Atax by separating from it the 

 genera Nesaea, Fiona, Hygrobates, Hydrochoreutes, Atractides, 

 Acercus, Marica and Limnesia. Describes under Atax, A. cras- 

 sipes (Mull.); A. truncatus, albidus, truncatellus, confluens, 

 elegans (all = A. crassipes (Mull.) — Piersig, 96b); A. figuralis, 

 diaphanus, lobatus (all = A. figuralis Koch-Piersig, 96b); A. 

 spinipes (Mull.), freniger, falcaius, limosus, fastuosus, pictus, 

 hyalinus, bifasciatus, furcula (all = Coch. spinipes (Miill.) — 

 Piersig, 96b); A. vernalis (Miill.) (Cochleophorus); A. grossipes 

 (Mull.) (ideut. ?) A. minimus Koch (ident. ?). 



KOENIKE, F. 



81a. Revision von H. Lebert's Hydrachniden des Genfer Sees. 



Zeitschr. f. wiss. Zool., xxxv, pt. 4, 1881, 613-628. 

 81b. Vorlaufige Notiz iiber die Bedeutung der " Steissdriisen " bei 



Atax crassipes (Miill.). Zool. Anz. iv, 1881, 356-357. 



