80 
C. Eimer, TH. ’77. 
Weitere Nachrichten iiber d. 
JOHNS HOPKINS UNIVERSITY MORPHOLOGICAL MONOGRAPHS. 
Bau des Zellkerns, nebst 
Bemerkungen iiber Wimperepithelien. Arch. f. Mik. Anat. Bd. XIV, Taf. VII, p. 114. 
D. BirtscHui, O. ’78. 
f. Wis. Zool. Bd. XXX, p. 269. 
E. ENGELMANN, TH. W. ’80. 
Pfliiger’s Arch. Bd. XXIII. 
F. Hatscuek, B. 
natus. 
G. Herprer, K. ’86. 
Inst. Wien., Bd. VI, pp. 189-194. 
H. Scunerper, K. C. °92. EHinige histologische Befunde an Coelenterata. 
Zeit. f. Nat. 27, N. F. 20. 
I. Hecut, EMILE. ’95. 
la Société Zool. de France. 
J. MuIncHIn, E. A. 
Leucolosolemia variabalis, etc. 
K. Hennecuy, L. F. ’98. 
96, 
somes. Arch. d’anat. micros., T. 1. 
L. LENHOSSEK, H. ’98. 
XUV 
M. PETRE, CARL. ’99. 
Anat. Anz. Bd. XV, Nos. 14 and 15. 
N. See also 6. 
Beitrage zur Kenntniss der Flagellaten, u. s. w. 
Zur Metamorphose der Oscarella lobularis. 
Proc. R. Soc., London. 
Uber Flimmerzellen. 
Zeit. 
Zur Anatomie u. Physiologie d. Flimmerzellen 
°85. Entwickelung der Trochophora von Eupomatus unci- 
Arb. Zool. Inst. Wien., Bd. VI, p. 189. 
Arb. Zool. 
Jen. 
Contribution a ’ Etude des Nudibranchs Memoirs de 
Me SPI, Hiss Ads 
Notes on the Larva and Postlarval Development of 
Vol. LX. 
Sur le rapports des ciles vibrales avec les centro- 
Anat. Anz. (Supplement.) Bd. 
Das Centrum fiir die Flimmer u. Geisel-bewegung. 
REFERENCE LETTERS. 
a=flagellum in Fig. 27, that is sup- 
posed to extend centrad beyond 
the nucleus. 
b=twin flagella in Fig. 27, of which 
the centrad continuation is seen 
applied against the distal sur- 
face of the cells and to be con- 
tinued centrad. 
c=capsule of lens. 
ef=axial fibers of cells extending 
centrad. 
co=cornea. 
concr=concretion cavity. 
ec=ectoderm. 
en=endoderm. 
f=flagella. 
flp=distal fiber of a long pigment cell. 
fpr=axial nerve fiber of a prism cell. 
fpyr=axial nerve fiber of a pyramid cell. 
fre=axial nerve fiber of the retinal 
cells of the simple eyes. 
gc=ganglion cells. 
ind=impression of the lens probably 
due to the pressure of weight 
against the surrounding tissue. 
l=lens. 
lp=long pigment cells. 
m=muscle fibers. 
namp=nuclei of ampulla cells. 
ne=network cells (Figs. 13 and 16), 
and nettle cells (Figs. 28, 29). 
nf=nerve fibers and tissue. 
nlp=nucleus of long pigment cell. 
nm=nucleus of muscle cells. 
nprc=nucleus of prism cell. 
npyrc=nucleus of pyramid cell 
