530 THE ANIMAL KINGDOM. 



Fiirstenberg, ' Kratzmilben der Menschen,' &c. Leipzig, 1861 ; Sarcoptides psoriques, 

 Me'gnin, Revue etMagasin de Zoologie (3), v. 1877 (some plates in vi. 1878). Sar- 

 coptides plumicoles, Trouessart, Paris, 1885; Robin et Me'gnin, Journal de 1'Anat. 

 et Physiol. xiii. 1877; Haller, Z. W. Z. xxxvi. 1881. Tyrogiyphidae, Michael, 

 Journal Roy. Micr. Soc. v. 1885 ; Nalepa, SB. Akad. Wien, xc. pt. i. 1884; Haller, 

 Z. W. Z. xxxiv. 1880. Glyciphagus, Michael, J. L. S. xix. Gamasidae, Kramer, A. 

 N. 48. (i), 1882; Michael, J. L. S. xv. 1881. Argas (Ixodidae), Laboulbe'ne and 

 Me'gnin, Journal de 1'Anat. et Physiol. xviii. 1882. Phytoptidae : Phytoptus, Thomas, 

 Zeitschrift f. Ges. Natw. (Giebel), 33. 1869; Galls, Id. op. cit. 49. 1877; Nova 

 Acta, xxxviii. 1876; Schlechtendal, Zeit. Natw., 55, 1882 ; 56, 1883. Trombidiidae : 

 Trombidium (and lit.), Henking, Z. W. Z. xxxvii. 1882 ; Donnadieu, Recherches 

 pour servir a 1'histoire des Te'traniques, Paris, 1875 (Ann. Soc. Lin. Lyons, xxii). 

 Hydrachnidae, Kramer, A. N. 41. (i), 1875. British Oribatidae, Michael, Ray 

 Soc. i. 1884. 



Tardigrada, Greeff, A. M. A. ii. 1866; Echiniscus, Schultze, ibid. i. 1865. 



Araneidae, see pp. 303, 304. Classification, see Thorell, A. N. H. (5), xvii. 

 1886 (with lit.). Spiders of Great Britain, P. Cambridge (systematic list), Tr. L. S. 

 xxx. 1875. Trap-door spiders, Moggridge, 1873, and Suppl. 1874. Mouth-parts, 

 Croneberg, A. N. 46 (i), 1880; Bertkau, A. N. 36 (i), 1870. Spinnerets of Epeira, 

 Oeffinger, A. M. A. ii. 1866. Respiratory organs, Bertkau, A. N. 38 (i), 1872. 

 Generative organs, Id. op. cit. 41 (i), 1875; male palps, see also Emerton, Proc. 

 Boston Soc. xvii. Seasonal dimorphism, Karsch, Bertkau, Z. A. viii. 1885. De- 

 velopment, Balfour, Q. J. M. xx. 1880. Regeneration of lost parts, Blackwall, Brit. 

 Assoc. Reports, 1844. Stridulating organs, Campbell, J. L. S. xv. 1881. 



Phalangidae : Classification (with lit.), Simon, 'Arachnides de France,' vii. 1879; 

 cf. Id. Ann. Soc. Entomol. Belg. xxii. 1879. British sp., Meade, A. N. H. (2), xv. 

 1855. Anatomy, Rossler, Z. W. Z. xxxvi. 1882 ; Loman, Bijdrage tot de Anat. der 

 Phalangiden (Diss.), Amsterdam, 1881. Genital organs, H. de Graaf, Sur la 

 structure des organes genitaux des Phalangiens, Leiden, 1882 (Z. A. iii. 1880). 



Pedipalpi, Karsch, A. N. 45 (i), 1879; 46 (i), 1880; Butler, A. N. H. (5), iv. 

 1879. Phrynus, Butler, A. N. H. (4), xii. 1873; Thelyphonus,\&. (4), x. 1872, and 

 xii. 1873. 



Scorpionidae : Classification, Thorell, A. N. H. (4), xvii. 1876; Atti Soc. Ital. 

 xix. 1876. Anatomy, Ray Lankester, Q. J. M. xxi. 1881 (under Limulus]; xxiii. 

 1883; xxiv. 1884; Tr. Z. S. xi. Poison apparatus, Joyeux-Laffuie, A. Z. Expt. (2), 

 i. 1884; Dufour, ' Histoire anatomique' Mem. presenters par divers savants a. 

 1'Acad. des Sciences, xiv. 1856. Lung-books, Ray Lankester, Q. J. M. xxv. 1885. 



Pseudoscorpionidae, Stecker, A. N. 41 (i), 1875 (lit. and distribution); L. Koch, 

 Ubersichtliche Darstellung des Europ. Chernetiden, Niirnberg, 1873. 



Solifugae, Karsch, A. N. 46 (i), 1880. Poison-glands, Croneberg, Z. A. ii. 1879. 

 Anatomy, Dufour, C. R. 46, 1858. 



Xiphosura : Limulus, Ray Lankester, Q. J. M. xxi. 1881 ; xxiii. 1883 ; xxiv. 1884. 

 Blood, Howell, Studies Biol. Lab. Johns Hopkins Univ. iii. (6), 1886. Testes, 

 Benham, Tr. L. S. (2), ii. Zoological position, Lankester, op. cit. xxi ; Packard, A. 

 N. H. (5), ix. 1882; Moseley, ibid.; Lankester, A. N. H. (5), xvii; Id. and Claus, 

 ibid, xviii. 1886; cf. also Kingsley, infra, p. 543, and Packard, infra. Embryology, 

 Kingsley, Q. J. M. xxv. 1885; Packard, American Naturalist, xix. 1885; Osborne, 



