PLATE XXX. 



Drawn by me from life in Ceylon, in December 1881. 



Desmo2)hyes annectens, n. sp. (p. 170). 



Diam. 



Fig. 1. The complete corm, with six nectophores and numerous diclinic 



cormidia, males and females alternating, . . . . x 3 



Fig. 2. Lateral view of a single female eormidium (from the right side). 

 b, Bract ; be, phyllocyst ; cv, ventral canal ; cd, dorsal canal ; 

 ex, right canal ; el, left canal (see fig. 3) ; a, trunk ; s, siphon ; 

 sr, its proboscis ; t, tentacle ; nn, special nectophore ; to, sub- 

 umbrella ; v, velum ; t, rudimentary tentacles ; uy, ocelli ; cc, ring- 

 canal ; cr, radial canals ; f, gynophore ; o, eggs, . . x 20 



Fig. 3. Lateral view of a single male eormidium (from the left side) ; the 

 special nectophore, and the bunch of androphores (represented in 

 fig. 4), which fill up the ventral half of the bracteal cavity, have 

 been detached. Characters as in fig. 2. sb, Basigaster ; sh, hepatic 

 ridges in the stomach ; sr, proboscis ; ss, suctorial disc, . x 20 



Fig. 4. A bunch of androphores (h) detached from the male eormidium, fig. 3. 

 u, Umbrella; cr, its four radial canals; cc, ring-canal ; hm, spermarium; 

 hx, spadix ; hs, sperma, . . . . . x 40 



Fig. 5. A bunch of gynophores (/) detached from a female eormidium. u, 

 Umbrella ; cr, its four radial canals ; v, velum ; cc, ring-canal ; 

 o, eggs ; o\ germinal spot ; o 2 , germinal vesicle ; o 3 , germinal yolk, . x 40 



Fig. 6. A special nectophore, detached from a male eormidium. w, Sub- 

 umbrella; v, velum ; t, rudimentary tentacles ; uy, ocelli ; cc, ring- 

 canal ; cr, radial canals ; cp, penduncular canal, . . x 40 



Fig. 7. A small portion of the umbrella margin of the special nectophore, fig. 6, 



more enlarged, cc, Bing-canal ; t, rudimentary tentacles ; uy, ocellus, x 100 



Fig. 8. A single tentillum. tt, Pedicle; to, distal ampulla of the pedicle ; th, 

 cnidosac; hi, large lateral cnidocysts; km, small median cnidocysts; 

 hp, distal pyriform cnidocysts ; if, terminal filament, . . x 300 



