6ij8 SCIENTIFIC RECORD FOR 1884. 



Pakker (T. Jeffeky). On the Structure of the Head in Palinurus, with especial ref- 

 erence to the classification of the genus. Trans. N. Zealand Inst., v. 16, pp. 

 297-307, 1 pi. 



Plateau (F. ). Reclierches sur la force absolue des muscles des Invert6br6s. 2. partie. 

 Force absolue des muscles fl^chisseurs de la pince chez les Crustac6s. Bull. Acad. 

 R. Belg. (3), V. 7, pp. 450-474, 1 pi. 



Sars (G. O.). On the Metamorphosis of Decapods. Bidrag til Kundskab on Deca- 

 podernes Forvandlingar. Kristiania, 1884. (8vo, 50 pp., 7 pi.) 



Arachnids. 



.) 



Michael (Albert D.). British Oribatidse. London, printed for the Ray Society, 

 1884. (vol. 1, 8vo, xi, 33fi pp., 31 pi.) 



. The Hypopus Question, or the Life History of certain Acarina. Journ. Linn. 



Soc. Londou, Zool., v. 17, pp. 371-394, 1 pi. 



Nalepa (Alfred). Die Anatomie der Tyroglypheu. Sitzungsber. Akad. Wiss.Wieu, 

 V. 90, 1. Abth., pp. 197-228, 2 pi. (Abstract.) Anzeiger Kais. Akad. Wiss. Wien, 

 1884, pp. 134-138. (Ann. & Mag. Nat. Hist. (5), v. 14, pp. 369-371.) 



Wood-Mason (J.). Report on the Tea-mite (Tetranychus bioculatus) and the Tea- 

 bug (Helopeltis theiovora) of Assam. London, 1884. (8vo, 20 pp., 3 col. pi.) 



{Linguatuliva. ) 



HoYLE (W. E.). On a new species of Pentastomum (P. protelis), from the mesentery 

 of Proteles cristatus. With an account of its Anatomy. Trans. Royal Soc. Ed- 

 inburgh, V. 32, pp. 165-191, 2 pi. 



(Scorpions.) 



Joyeux-Laffuie (J.). App.areil venimeuxet venin du Scorpion. Etude anatomique 

 et physiologique. Arch. Zool. Experiment. (2), v. 1, pp. 73:3-783, 1 pi. 



Lindstorm (G.). Sur un Scorpion du terrain silurien de Su^de (Palseophoneus nun- 

 cius). Compt. rend. Acad. Sc. Paris, v. 99, pp. 984-985. 



(SolpugidcB.) 



Putnam (J. D.). The Solpugidae of America. Papers of J. D. P., arranged for pub- 

 lication by Herbert Osborn. Proc. Davenport Acad. Nat. Sc, v. 3, pp. 249-310, 

 4 pi. 



(Araneans. ) 



Cambridge (O. P.). On two new Genera of Spiders. Proc. Zool. Soc. London, 



1884, pp. 196-205, 1 pi. 

 Dahl (Friedrich). Das Gehor- und Geruchsorgan der Spinnen. Arch, f, mikro- 



skop. Auat., v. 24, pp. 1-10, 1 pi. ; transl. Ann. & Mag. Nat. Hist. (5), v. 14, 



pp. 329-337, 1 pi. 

 Emerton (J. H.). New England Spiders of the family Therididte. Trans. Con- 

 necticut Acad., V. 6, pp. 1-86, 24 pi. 

 Forbes (H. O.). On the habits of Thomisus decipiens, a spider from Sumatra. 



Proc. Zool. Soc. Londou, 1883, pp. 586-588, 1 pi. 

 Keyserling (Graf E.). Die Spinnen Amerikas. — Theridiidse. 1. Hiilfte, v. 2. Niim- 



berg : 1884. (4to, 222 pp., 10 pi. ) 

 MacLeod (J.). Recherchcs sur la structure et la signification de I'appareil respira- 



toire des Arachnides. Arch, de Biol., v. 5, pp. 1-34, 2 pi. 



