42 Ech in. 
XIV. ECHINODERMA. 
1758 to 1800 a.d., with condensed bibliography ; Sherborn (261).— 
List of 71 works on development, phylogeny, and classification of 
Echinoderma ; Russo (245) p. 85.—Bibliography,—of Regeneration ; 
Przibram (227).—Of maturation of ovum ; Bryce (35).—Of arti¬ 
ficial parthenogenesis, etc. ; Bryce (36).—Of Echinoderma dredged 
by ‘ Investigator’ in Indian seas ; Alcock (5) p. 311. — List of writings 
on Crin. by Wachsmuth & Springer ; Keyes (152).—Summary of 
Leydig’s work on Hoi. & Ech. ; Ley-dig (169) p. 67.—Dates of publi¬ 
cation of ‘ Notes pour servir a l’Etude des Echinodermes ’ with index 
to spp. in first ten fascicules; Loriol (176) pp. iii-vii.— Numerical 
estimate of Echinoderms figured in Gay, Historia fi'sica i politica 
de Chile, vol viii, 1854 ; Porter (226) p. 126. 
iv. Historical, Popular notions, See .:—Summary of work on 
Echinoderms since 1877 ; Bather (14a) p. 617.—History of recent 
morphology and classification ; Russo (245) p. 60.—Work on fossil 
Echinoderms in Scotland, 1880-1900 ; Peach (215) p. 364. 
Life of Wachsmuth ; Keyes (152).—Appreciation of Beyricli’s 
work on fossil Echinoderma ; Koken (157) p. 40. 
A Conoclypeus conoideus, found in prehistoric wall of the Engelsburg, 
erroneously supposed a corn-grinder; Leydig (169) p. 67.— Echinus 
microtuberculatus called “la Castagnole” at Cette ; Gourret (104). 
(F.) AUXOLOGY. 
i. General Principles:—Vacant. . 
ii. General AccountsEmbryology of Ech. ; Hamann (119) pp. 
1139-1168. 
iii. Formation of Gonads:— 
a. Oogenesis, formation of follicle ; Ivorschelt & Heider (158) p. 315. 
b. Oogenesis and spermatogenesis in’ <£ Cucuniaria (see ii, b, i, b, 12) ; 
Ackermann (2). 
c. Maturation of ovum, history of previous work, and minute account 
of mitosis in Echinus esculentus, comparison with results obtained 
by others, and general interpretation ; Bryce (35) and in abstract 
(34).—Maturation of ovum, radial striae in zona pellucida, in Strougy- 
locentrotus ; Giardina (102). 
d. Structure and maturation of ovum in Asterias glacicdis ; Hart¬ 
mann (122). 
e Changes in nucleus of forming ova of Ophiura Ictevis and Ophio- 
glypha lacertosa ; Hartmann (122) p. 801. 
iv. Oviposition, Fertilisation, and Segmentation : — Cnbrella 
ocidata, breeding period (p. 373) size of ova, segmentation irregular 
producing a morula, which by egression of inner cells tends to form a 
blastula, but gastrulation intervenes (p. 377); Masterman (195). 
Fertilisation,—Theoretical discussion, meaning of chromosomes (p. 
127), physico-chemical phenomena (p. 134); Delage (60).—Protoplasm 
of Ast. ova poisonous to Ech. spermatozoa, but Ech. secrete in glands 
of pedicellariae a poison for Ast. spermatozoa, experiments on Echinus , 
Sphaer echinus, Strongylocentrotus, Arbacia, Asterias, Astropecten ; Dun- 
gern (75).—Phenomena of fertilisation, mitosis and segmentation, 
in Strongylocentrotus , chemotactic action of centrosome throughout; 
Giardina (102).—No chemotactic attraction of spermatozoa to ovum 
in Ech., mode of penetration of zona pellucida; Buller (38).— 
Attachment and rotation of Echinoderm spermatozoa, penetration of 
zona pellucida in Ech. ; Buller (37), & (38) p. 159. 
