412 
BULLETIN OF THE UNITED STATES FISH COMMISSION. 
ABBREVIATIONS USED WITH FIGURES. 
a anus. 
al. can alimentary canal. 
ant adhering antennse. 
c carina. 
cc caecum. 
c. ap caudal appendage. 
cap capitulum. 
cdl.f caudal fork. 
cer brain. 
d. c.sp dorso-caudal spine. 
fr.li frontal horn. 
g. I, g. VI .ventral ganglia. 
gl gland cell. 
g.s supracesophageal ganglion. 
int intestine. 
inv.d dorsal invagination. 
inv.v ventral invagination. 
m mouth. 
masc. hi . .masticatory blade. 
ml mantle. 
ms. th. a&.thoraco-abdominal muscle. (?) 
ms. ad . . .adductor muscle. 
ces oesophagus. 
ov ovary. 
ped peduncle. 
p.e paired (cypris) eye. 
s.a sensory appendage. 
sc scutum. 
sh shell. 
st stomach. 
t tergum. 
th.ab.pr . .thoraco-abdominal process. 
th. I , I- VI . thoracic limbs. 
u. e unpaired (nauplius) eye. 
u. I upper lip. 
T, .S', C uncalcified valves (terga, 
scuta, carina). 
■r, y (see pages 408 and 411, respec- 
tively.) 
/, II, III.. first, second, and third nau- 
plial appendages. 
Ila, lib. ..anterior and posterior rami 
of second appendage. 
Ilia, Illb. anterior and posterior rami 
of third appendage. 
LITERATURE CITED. 
1851-54. Darwin, 0. “A monograph on the subclass Cirripedia.” London. Ray Society. 
’61. De Filippi. “Sul genere Dichelaspis e su di uno nuova specie de. ess proprio del Mediterraneo.” 
Archivio per la Zoologia, L’Anatomia e La Fisiologia. Genova. 1861. Pp. 71-73. 
’61a. De Filippi. “ Seconda Nota sulla Dichelaspis darwinii.” 
’83. Hoek, P. P. C. “Report on the Cirripedia,” etc. (Systematic Part. ) Challenger Reports, vm. 
’84. Hoek, P. P. C. “Report on the Cirripedia,” etc. (Anatomical Part.) Challenger Reports, x. 
’99. Korsheldt & Heider. “ Text-hook of the embryology of invertebrates.” Part ir. 
’74. Lesson a and Tapparone-Canefri. “Nota sulla Machrochira Kaemferi Sieb, e sopra una nuova 
specie del genere Dichelaspis.” Atti Acad. Torino, ix. 
’69. MacDonald, J. D. “On an apparently new genus of minute parasitic Cirripeds, between Lepas 
and Dichelaspis.” Proc. Zool. Soc. London. P. 440ff. 
