n," _Sitzb. Niederl.
Gesellsch._, 1885; 42. Patten, W., "Brain and Sense Organs of
Limulus," _Quart. Journ. Mic. Sci._ vol. xxxv., 1894; see also his
"Origin of Vertebrates from Arachnids," _ibid._ vol. xxxi.

Authorities not cited by numbers in the text:--

Lung-books:--Berteaux, "Le Poumon des Arachnides," _La Cellule_, vol.
v. 1891; Jawarowski, "Die Entwick. d. sogen. Lunge bei der
Arachniden," _Zeitsch. wiss. Zool._ vol. lviii., 1894; Macleod,
"Recherches sur la structure et la signification de l'appareil
respiratoire des Arachnides," _Arch. d. Biologie._ vol. v., 1884;
Schneider, A., "Melanges arachnologiques," in _Tablettes zoologiques_,
vol. ii. p. 135, 1892; Simmons, "Development of Lung in Spiders,"
_Amer. Journ. Science_, vol. xlviii., 1894. Coxal Glands:--Bertkau,
"Ueber die Coxaldrusen der Arachniden," _Sitzb. d. Niederl.
Gesellsch._, 1885; Loman, "Altes und neues uber das Nephridium (die
Coxaldruse) der Arachniden," _Byd. tot de Dierkunde_, vol. xiv., 1887;
Macleod, "Glande coxale chez les Galeodes," _Bull. Acad. Belg._ (3)
vol. viii., 1884; Pelseneer, "On the Coxal Glands of Mygale," _Proc.
Zool. Soc._, 1885; Tower, "The External Opening of the brick-red
Glands of Limulus," _Zool. Anzeiger_, vol. xviii. p. 471, 1895.
Ento-sternite:--Schimkewitsch, "Bau und Entwick. des Endosternites der
Arachniden," _Zool. Jahrb._, Anal. Abtheil., vol. viii., 1894.
Embryology:--Balfour, "Development of the Araneina," _Q. J. Micr.
Sci._ vol. xx., 1880; Kingsley, "The Embryology of Limulus," _Journ.
Morphology_, vols. vii. and viii.; Kishinouye, "Development of
Araneina," _Journ. Coll. Sci. Univ. of Japan_, vol. iv., 1890; Locy,
"Development of Agelena," _Bull. Mus. Harvard_, vol. xii., 1885;
Metchnikoff, "Embryologie d. Scorpion," _Zeit. wiss. Zool._ vol. xxi.,
1871; _Idem_, "Embryol. Chelifer," _Zeit. wiss. Zool._ vol. xxi.,
1871; Schimkewitsch, "Developpement des Araignees," _Archives d.
Biologie_, vol. vi. 1887. Sense organs:--Bertkau, "Sinnesorgane der
Spinnen," _Arch. f. mikros. Anat._ vol. xxvii. p. 589, 1886; Graber,
"Unicorneale Tracheaten Auge," _Arch. f. mikr. Anat._ vol. xvii.,
1879; Grenacher, _Gehororgane der Arthropoden_ (Gottingen, 1879);
Kishinouye, "Lateral Eyes of Spiders," _Zool. Anz._ vol. xiv. p. 381,
1891; Purcell, "Phalangiden Augen," _Zool. Anzeiger_, vol. xv. p. 461.

General works on Arachnida:--Blanchard, "Les Arachnides" in