iInBex TO TECTIBRANCHS. 
Nore—The names of valid species and varieties are printed in 
Roman type; of genera and other groups in SMALL CAPITALS; of 
synonyms in Italic. 
Acardo Lam., L7G 
Acera Auct., 5 BBW 
Achates Dh. (Dorid.), . 239 
Ac.LEsIA Rang, . . 135, 144 
ACROSTEMMA ‘Cossm., . 238 
ACTZONID#, ; 229 
ACTON Montf., 229 
Acutangula (Philine) ‘Ad, 4 
Adamsi Ang. (Chelidonura), 36 
Adamsi Pils. (Tethys), . 114 
ADELACTZON Cossm., 230 
Adelle Dall (Aglaja), . 8 
Adelle Dall (Dorid.), 0 OF 
Mnigmaticus Bgh. (Navar- 
chus), : ee ie) 
Equorea Heilpr. (Aplysia), 77 
AGLAJID&, : Parvin. 4a 
AGuaJa Ren., 43, 44, 239 
POEDRA, —. . 230 
Alata Forbes (Bullee: a), ye bailey 
Alatus Dall (Scaph.), 234 
Alba Cuv. (Aplysia), nd: 
Alba Marsh. (Pleurobr.), . 194 
Albopunctata Dh. (Aphysia), (al 
AuicuLa Eichwald, . 28 
Alicula Ehrenb., 
ALICULASTRUM ‘Pils, eae 
Amabilis Verr. (Philine), . 25 
Amati (Clio) Delle Chiaje,. 40 
Americana Dall (Tylodina), 
Americanus Ver. (Gym- 
notoplax), 
Americanus Ver. (Pleuro- 
branchus), . 210 
Amygdala marina a Plane, seal 
ANASPIDEA, aes) 
Andamanicus Sm, (Scaph, ), 285 
Angasi Crosse (Philine), 8 
Angasi Sm: (Pleurobr.))* . 205 
Angasi Sowb. (Aplysia), . 101 
Angulata Jeffr.(Philine), . 17 
Anguilla Cum. (Aplysia), . 112 
Angustata Biv. (Bulla), 13, 14 
Antillarum Mch. (Oxynoe), 164 
Aperta L. (Philine), . = ake 
Aplisiformis Fér. (Acteon. ), 230 
Aplysia Linné, : 65 
A plysiceforme Baek (Dori 
win), 
Aplysiella Fisch., ;, 128 
APLYSIID”, : : 7 9 
APLYSIINE Pil., 2 . 60 
Areola Pse. (Aclesia), . 147 
Areolatus Mch. (Pleurobr.), 199 
Argentata (Philine) Gld.,. 4 
Argentatus Leh. (Osean.), . 215 
Argus Riipp. (Aplysia), . 110 
Ascifera Rang. (Dolabri- 
fera), : : 124 
AscoaLossa Bgh. . Gil 
Atlantica Gray (Tylo:), = 186 
Anys Monti, . 236 
Aurantiacus Risso « Pleuro- 
bist : oo 
Aurantium Pse. (Operc.), » Sil 
Balearicus Lar. (Pleurobr.), 224 
Bermudense Mch. (Um- 
brella), . 100, 178, 180 
BERTHELLA Blv., alge 
( 253 ) 
