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THE VOYAGE OF H.M.S. CHALLENGER. 
The following is a list of the recent forms I should include in the subgenus Adeonella 
( Eschar a, pars), Auctt. 
# (1) Adeonella atlantica, n. sp. 
# (2) Adeonella platelea, Busk. 
# (3) Adeonella intricaria, n. sp. 
# (4) Adeonella polymorpha, n. sp. 
# (5) Adeonella regularis, n. sp. 
(6) Adeonella tuber culata, n. sp .—Eschara lichenoides, Brit. Mus. 
Cat., nec Milne-Edwards. 
# (7) Adeonella distoma, Busk ( coscinophora , pars, Auctt). 
(8) Adeonella fuegensis, Busk. 
(9) Adeonella sulcata, Milne-Edwards. 
(10) Adeonella arcuata, Busk, MS. 
(11) Adeonella falciformis, Busk, MS. 
(12) Adeonella lichenoides ? Milne-Edwards. 
(13) Adeonella megapora, n. sp., MS. 
(14) Adeonella dolichostoma, n. sp., MS. 
(15) Adeonella natalensis,n. sp., MS. 
(16) Adeonella crassa, n. sp., MS. 
(17) Adeonella pallasii, Heller. 
(18) Adeonella helleri, n. sp. ? MS. 
(19) Adeonella dispar, Macgillivray. 
(20) Adeonella mucronata, Macgillivray . 
# (21) Adeonella pectinata, n. sp. 
(22) Adeonella Jissa, Hincks. 
(23) Adeonella subsulcata, Smitt. 
Of this number, only those marked with an asterisk occur in the Challenger 
Collection. 
3. The genus Reptadeonella includes the following species, which does not occur in 
the Challenger Collection : — 
(1) Reptadeonella violacea (Johnston). 
The Family here contains the following genera and species : — 
1. Adeona, Lamouroux. 
(I) Adeona appendiculata, n. sp. (PI. XXXIII. fig. 6, and woodcut). 
