318 PROCEEDINGS OF THE ACADEMY OF [April, 



Lumbrineris inflata, figs. 128-132. 



Figs. 128-129. — Outlines of parapodia X and C, as seen from in front, X 56. 

 Fig. 130. — Two limbate setae from X in profile and face views, X 250. 

 Fig. 131. — Compound crochet from X. X 440. 

 Fig. 132. — Simple crochet from C, X 440. 



Plate XX. — Lumbrineris inflata, figs. 133 and 134 (cotype, station 4,496). 



Fig. 133. — Ventral view of mandibles, X 83. 



Fig. 134. — Dorsal view of maxillae, X 83. 

 Lumbrineris bifilaris, figs. 135-142. 



Figs. 135-137. — Outlines of anterior aspects of parapodia X, C and CCL, X 33. 



Fig. 138. — Profile of ventral and face view of dorsal limbate seta from 

 somite X, X 98. 



Fig. 139. — Limbate crochet from somite V, f-face view, X 250; a, profile 

 view of tip of another, X 440. 



Fig. 140. — End of simple hooded crochet from C, X 250. 



Fig. 141. — Ventral view of mandibles of cotype (station 4,485), X 9. 



Fig. 142. — Maxillae of same, forceps jaws dorsal, other pieces ventral, X 9, 

 Aracoda semimaculata, figs. 143-149. 



Figs. 143-145. — Parapodia X, C and CCL, from in front, X 33. 



Fig. 146. — Dorsal seta from X, X 250. 



Fig. 147.— Middle seta from LXXV, X 250. 



Fig. 148. — Outline of mandibles of cotype (station 4,496), — 17. 



Fig. 149. — Maxillae of the same from the dorsal aspect, X 17. Ill, IV and V 

 indicate maxilla; IV, V, and VI respectively, maxilla III being unlabeled. 

 Drilonereis falcata, figs. 150-154. 



Fig. 150. — Anterior aspect of parapodium X of cotype, X 56. 



Fig. 151. — Anterior aspect of parapodium C, X 83. 



Fig. 152.— Seta from XXV, X 440. 



Fig. 153. — Mandibles of cotype (station 4,460) from the dorsum, X 33. 



Fig. 154. — Maxillae of same from venter, X 33. 

 Glycera branchiopoda, figs. 155 and 156. 



Fig. 155. — The three forms of proboscis papilla? from a cotype (station 4,517), 



a, c and c, respectively, X 250. 



Fig. 156. — Jaw appendage of the same, X 56. 



Plate XXI. — Glycera branchiopoda, figs. 157-159. 



Figs. 157-159'. — Parapodia X, L and C, respectively, the first and last in 

 caudal aspect, X 40, L in cephalic aspect, X 24. 

 Glycinde armigera, figs. 160-171. 



Fig. 160. — Dorsal view of prostomium of cotype (station 4,310), X 56. 

 Figs. 161-163. — Anterior aspects of parapodia V, XXV and C (concealed 



outlines dotted), X 56. 

 Fig. 164. — Part of a shorter ventral neuropodial seta from XXX, X 400. 

 Fig. 165. — Exposed portion of a notopodial seta from XXX, X 400. 

 Fig. 166. — Elements of the circle of jaws; a, large ventral jaw, X 125; 



b, one from the dorsal arch, X 250; c, c, two forms of smaller size from the 

 dorsal arch, X 250. 



Fig. 167. — Large paragnaths from the ventral bands, in profile and top 



view, X 250. 

 Fig. 168. — Profile and top views of small papillae (paragnaths) from ventral 



bands, X 250. 

 Fig. 169. — Two papillae (paragnaths) from dorsal bands near jaws, X 98. 

 Fig. 170. — Large bifid paragnath from dorsal bands, X 250. 

 Fig. 171.— Two of the small scattered papillae, X 250. 

 Figs. 166-171 are drawn from a cotype (station 4,548). 

 Aricia nuda, figs. 172-176. 



Fig. 172. — Outline of parapodium and gill of X from behind, X 17. 

 Fig. 173.— Same of L from in front, X 24. 



Fig. 174. — Large dorsal neuropodial spine with gland and cirrus from XV, 

 ^ X 56. 

 Fig. 175. — Small portion of base of neuropodial of X; a, from the side; b, 



from front, X 600. 

 Fig. 176. — Hooded spine from ventral part of neuropodium of XV, X 250. 



