Alf Wollebæk. | [No 12 
UC. Podobranchia and Mastigobranchia of 3rd Maxilliped, left, seen from 
[1—7 ef. explanation for PL. IV.] 
Pl. VI. Calocarides crassipes TRYB. 
Ist Pereiopod, with branchiae, seen from above. 
2nd Pereiopod, with branchiae, seen from below. 
3rd Pereiopod |figs. 1, 2 and 3 enlarged in same proportion, all three 
5th Pereiopod's coxa &c., vd. mouth of vas deferens. 
[1—7 ef. explanation for PI. IV.] 
Pl. VII. Calocarides crassipes TRYB. 
2nd Pleopod of å male. a.m. appendix masculina: a.i. appendix interna. 
A. 2nd Pleopod (mot fully shown) of å female. 
B. tip of appendix interna, much enlarged, showing cmemmuli (€). 
5th Pleopod (not fully shown) of å male. 
Telson and lamellae (on left side) of å male, seen from above; ds. diae- 
Pl. VIL  Crangon vulgaris FABR. og Allmanni KI. 
Å. — Anterior portion of carapace with rostrum, eyes Ist Antennae. and 
Antennal scale of Crangon Allmanmi Q. 
A.  Chelae on Ist pair of Pereiopods of Cr. Allmanmi. 
A. 6th Abdominal segment (&c.,) of Cr. Allmanni. 
Å.  Cross-section (schematic) of 6th Abdominalsegment of Or. Allmanni. 
A. 9 of Crangon Almanni, slightly enlarged. 
Pl. IX. Sclerocrangon ferox G. O. SARS. 
Anterior portion of carapace, with eyes, and lst and 2nd pair of an- 
Ist Pereiopod of å larva (11 mm. long). 
Do. of a full-grown individual (about 110 mm. long). 
76 
above. 
Je JE 
Her 
JR (d 
figures seen from the right side.| 
s 4 Tip of 4th Pereiopod (much enlarged). 
s 5. Tip of 5th Pereiopod (much enlarged). 
ur 0: 
Fig.» 1. 1st Pleopod of å female. 
Te 
4. 
ed) 
FOSS. 
Roe 
LB Do of Qra vulgaris. 
2. 
2,0B. Do of Orivulganns. 
3. B. Do. of Cr. vulgaris. 
4. 
ESB Do ORO gas 
eo 
å GAO 9 CO vularts: 
Frode 
tennae of å male. 
or Door emale: 
3. 
4. 
5. 5th Pereiopod of a larva (11 mm.). 
6. 
Do. of a full-grown specimen (about 110 mm.). 
