PLATE XXVIII. 



Drawn from life by me in the Canary Island Lanzerote, in January 1867. 



Mitrophyes peltifera, n. sp. (p. 131). 



Diani. 



Fig. 1. The complete corm, with expanded stem; the apical bract (b) and 

 the nectophore half in dorsal, half in lateral view (from the right 

 side), cv, Ventral canal ; cd, dorsal canal ; ex, right canal ; cb, 

 bracteal canal ; v, velum. The trunk of the dioecious siphosome 

 is fully expanded and bears numerous ordinate cormidia, . x 10 



Fig. 2. The same corm, with contracted siphosome (a); the apical bract (b) is 

 reflected to show its pedicle and the union with the nectophore (n). 

 Characters as in fig. 1. ah, Cormidia, . . . x 10 



Fig. 3. A single female cormidium. a, Trunk ; b, bract ; s, siphon ; sm, 

 stomach ; sr, proboscis ; so, mouth ; kc, cnidoeysts ; t, tentacle ; 

 f, gynophore ; o, eggs; v, velum; w, subumbrella, . . x 100 



Fig. 4. A gynophore, with the included ovarium, isolated, o, Eggs ; uo, ostium 



umbrellse ; v, velum, . . . . . x 150 



Fig. 5. A single male cormidium. Characters as in fig. 3. h, Androphore ; 



uo, ostium of the umbrella ; sb, basigaster, . . . x 100 



Fig. 6. An androphore, with the included spermarium, isolated, hx, Axial 



spadix ; lis, sperma ; uo, ostium umbrellae, . . x 150 



Fig. 7. Apical portion of the trunk, with the connection of the apical bract (b) 

 and the nectophore. bp, Pedicle of the bract; cb, bracteal duct; 

 cs, somatoeyst ; ui, rudimentary hydroecium ; a, trunk ; i, buds of 

 cormidia ; en, nectophoral duct; cv, ventral canal; cd, dorsal canal; 

 ex, right canal ; cl, left canal. (Compare fig. 2), . x 40 



Fig. 8. A single tentillum. kg, Large lateral cnidoeysts; m, small median 

 cnidoeysts ; kp, distal pyriform cnidoeysts ; tf, terminal filament, 

 spirally coiled up, . . . . . . . x 300 



