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LIST OF DRAWINGS. 
The Drawings were all outlined by means of the Camera lucida. The hair and 
spine arrangement is shown identically as found in the appendages in nearly all 
the sketches. In Figs. 36, 55,77 (2m). 166, 170, and 173 the hairs are not re- 
produced in identical number nor position. 
Letrers USED. 
a.—antennule. I.-IV.—1st-4th Zoéa stages, 
ab. —abdomen. 1 m.—first maxilla. 
on.—anus. 2m.—second maxilla, 
A.—antenna. mer. —meropodite. 
ap.—pleuron. mn.—mandible. 
b-isch.—basi-ischiopodite. mp (1-3).-—Ist, 2nd, and 3rd maxilli- 
br.—branchia. pedes. 
car.—-carapace. | 0.—eye. 
carp —carpopodite. | per (1-5).—Ist-5th pereiopod, 
cox.—coxopodite. pl.—pleopod. 
cr.—crown (mandible). prop.—propodite. 
dact.—dactylopodite. prot.—protopodite. 
e.—cutting edge(mandible). st.—sternum, 
en.—endopodite. sw.—swelling, bud of flagellum (A). 
ep.—epipodite, : t.—tooth. 
ex. —exopodite. T.—telson. 
Jr.—tracture plane. th.—thorax. 
g.—gut, 1-4.—Ist-4th young stages. 
ga.—ganglion, 
EXPLANATION OF PLATES. 
The magnifications (in diameters) are approximate. 
Puate VII. 
Fig. 1. End of first joint of jointed branch of antenna, I. Zoéa, 
Fig. 2. Antennule, I. Zoéa; ga. ganglion, x 220 
Fig. 3. Antennule, If. Zoéa, : - x 220 
Fig. 4. Antennule and antenna, III. Zoéa, F : i x 120 
Fig. 5. End of first joint of jointed branch of antenna, ITI. Zoéa. 
Fig, 6, Antenna and antennule, IV. Zoéa, ‘ . ; x 120 
