I.ECVTHIUM HYALINUM. 105 



1. Lecythium hyalinum (Ehrenberg) Hertwig & 



Lesser. 



(Plate XLIV, figs. 9 and 10 ; PI. XLIX, figs. 1-5 ; 

 and PI. LI, figs 1-7.) 



Arcella liyalina 



EHRENBERG Infusionsth. (1838), p. 134, pi. ix, f. 8 ; in Abh. Akad. 



Berlin, 1841 (1842), p. 444, pi. i, f. 31 ; op. cit. 1871 (1872), pp. 235, 



244, 264. 

 FRESENIUS in Abh. senckenb. G-es. II (1858), pp. 219-223, pi. xii, 



ff. 1-24. 

 Gromia hyalina 



SCHLTJMBERGER in Ann. Sci. nat. (3) III (1845), p. 255. 



GRIFFITH & HENFREY Microg. Diet. (1855), p. 299; ed. 4 (1883), 



p. 366. 



EYFERTH Einfach. Lebensf., ed. 2 (1885), p. 52, pi. iii, f. 39. 

 CHAPMAN Foraminifera (1902), p. 70. 

 Difflugia hyalina 



SCHNEIDER in Arch. Anat. XXI (1854), p. 204, pi. ix, ff. 16-24. 

 ?Plagiophrys sphaerica 

 CLAPAREDE & LACHMANN Etudes Inf. et Ehiz. I, 2 (1859), p. 454, 



pi. xxii, f. 2. 



LACHMANN in Yerh. Ver. Rheinl. XYI (1859), Sitzber., p. 61. 

 ARCHER in Qrt. Jrn. Micr. Sci. (N. s.) XI (1871), pp. 146-151, pi. vii, 



ff. 11-16; op. cit. (N.S.) XVI (1876), pp. 343-344; in Proc. Dublin 



Micr. Club, II, 2 (1873), pp. 82-86, pi. iv, ff. 11-16 ; op. cit. Ill, 2 



(1878), p. 134. 



EYFERTH Einfach. Lebensf. (1878), p. 34. 

 CTJNEO in Boll. Scient. XII (1890), p. 142. 

 Arcella Homceochlamys hyalina 



EHRENBERG in Abh. Akad. Berlin, 1871 (1872), p. 244. 

 Lecythium hyalinum 

 HERTWIG & LESSER in Arch. mikr. Anat. X (1874), Suppl., pp. 117- 



118, 241-242, pi. iii, f. 8. 

 ARCHER in Qrt. Jrn. Micr. Sci. (N. s.) XVII (1877), pp. 197-198, pi. 



xiii, ff. 1, 2 ; in Proc. Dublin Micr. Club, III, 3 (1880), p. 267, pi. x, 



ff. 1, 2. 



BUCK in Zeits. wiss. Zool. XXX (1877), pp. 21, 45. 

 GRUBER in Zeits. wiss. Zool. XXXVI (1881), p. 123, pi. iv, ff. 27-29 ; 



in Ber. nat. Ges. Freiberg, VI (1890), p. 4, pi. v, ff. 6, 7. 

 LANESSAN Traite Zool., Prot. (1882), p. 67. 

 BLOCHMANN Mikr. Thier. Siisswass. (1886), p. 15. 

 ENTZ Stud. Protist. I (1888), p. 371. 

 MAGGI in Rend R. 1st. Lomb. (2) XXI (1888), p. 305 ; in Arch. Ital. 



Biol. X (1888), p. 187. 



PENARD in Rev. Suisse Zool. VII, 1 (1899), p. 101. 

 FOREL Le Leman, III (1904), p. 138. 

 PRANDTL in Arch. Protist. IX (1907), p. 13. 

 Chlamydoplirys stercorea 

 CIENKOWSKI in Arch. mikr. Anat. XII, 1 (1875), pp. 39-43, pis. vii-viii, 



ff. 73-89. 



