A. M Verrill — New England Annelida. 324e 



Figure 35. — The same. Dorsal views, seen as a transparent oliject, under a compres- 

 sor, to sliow the pharynx and stomach. Setae, etc., are omitted. 



Figure 4. — Autolysis cornutus A. Ag. Male, from life. Ventral view of the anterior 

 part of body, and of the caudal segments (a), much enlarged. 



Figures. — Autohjtus(Proreraa)ornatusY.[l). Male, from Wood's IIoll, Mass. Dorsal 

 view, from Hfe, of tlie anterior and posterior (a) portions, more enlarged than 

 fig. 4. 



Figure 6. — AuMytm cnrnuhts. Female. Ventral view of the head and anterior seg- 

 ments, including the lirst segment hearing long, capillary, sexual setai, enlarged 

 14 diameters. 



Figure 1. —Autolytus rariam V., nom. nov., p. 320. Female. Dorsal view of the 

 anterior segments, including three of those bearing sexual setae, enlarged. 



Figure 8. — Autolytus Alexandri Malmgren. Male. Dorsal view, enlarged 14 diame- 

 ters. Specimen from Salem, Mass., in alcohol, taken in early spring: a, median, 

 odd antenna; a', pair of small frontal antennae; a", large forked palpi, or 

 antennte, characteristic of the male, in this genus; ic^ upper and lower tentacular 

 cirri, arising from tlie concealed buccal segment; dc', large dorsal cirri, arising 

 from the first body-segment (1), which, in this species, bears a fascicle of sette, 

 beneath (see fig. 8a); dc, dorsal cirri of segments 2 to 15; s, short set£e of the 

 14 anterior segments; s", long sexual set«, beginning on the 15th segment. 

 This may be the sexual form of Stephanosyllis ornata V. 



Figure 8a. — -The same. Ventral view, including only the head and 14 anterior seg- 

 ments. Lettering the same as in fig. 8. 



Figure 8&. — The same. Female. Dorsal view, including the 14 anterior segments, 

 enlarged 14 diameters. From Salem, Mass. Lettering as in fig. 8, but with the 

 following additions: e, "epaulets" or lobes extending back from the head; vc, 

 ventral tentacular cirrus; a", the pair of long simple frontal antennas. 



Figure 8c. — The same. One of the short, compound seta;, with bidentate tip, from a 

 short anterior segment. Greatly enlarged. 



Figure 9. — Autolytus Emertoni V., sp. nov. Male, Dorsal view of the head. En- 

 larged 14 diameters. From an alcoholic specimen, taken at Salem, Mass., at the 

 surface, in Februars', by .L TT. Emerton. Lettering as in figs. 8, 8a. 



Figure 9rt. — The same. Male. Ventral view, showing the very large dorsal tentacu- 

 lar cirrus (fc) and tlie smaller ventral one (re); tlie six anterior seligerous seg- 

 ments have sjiort and nearly equal dorsal cirri, the first pair being the smallest 

 and crowded beneath the large tentacular cirri. 



Figure 9&. — The same. Female. Ventral view of a specimen from Salem, Mass., in 

 alcoliol, enlarged 14 diameters. Lettering as in 86. 



Figure 9c. — The same. Peculiar setae of the short anterior segments. 



Figure 10. — Autolytus longisetosus. Male. Dorsal view of the anterior part of a 

 large alcoliolic specimen from Salem, Mass., taken in February by J. H. 

 Mmerton, enlarged 14 diameters. Lettering as in figs. 8 and 8rt. 



Figure 10a. — The same. Male. \'enlr:i] view of the head and anterior segments. 

 The ends of some of the appendages are omitted. 



Figure 10c. — The same. One of the compound set;e of the anterior segments, greatly 

 enlarged. 

 Figures 1 and 5 are by .T. H. Blake; 2 and 7 by the author; the rest by J. H. 



Emerton. 



