DESCRITTI DA F. SACCO 155 
Myrtea, p. 93. 
Myrtea var. astensis, p. 94. 
[A. var. dilatata, p. 94. 
Id. var. dionella, p. 94. 
Id. extinta, p. 95. 
Id. var. gallensis, p. 95. 
Id. var. ooinflata, p. 95. 
Id. var. ovosubalpina, p. 94. 
Id. var. plioparva, p. 95. 
Id. var. pseudotrigona, p. 94. 
Id. var. rarilamellata, p. 94. 
Id. spinifera, p. 84, 94, 95, 96. 
Id. strigillata, p. 96. 
Id. taurina, p. 95, 96. 
Id. var. tauromagna, p. 95. 
Id. var. taurophaseola, p. 96. 
Myrteopsis, p. 96. 
Myrteopsis magnotaurina, p. 96. 
Id. taurolaevis, p. 96, 159. 
Mytilus carinatus, p. 38, 39. 
Modiola carinata, p. 38, 39. 
Moerelia, p. 105. 
Moerella var. brunnea, p. 106. 
Id. donacina, p. 105, 107. 
Id. var. perlaevis, p. 106. 
Id. var. striatella, p. 106. 
Nesiîs, p. 21. 
Nesis prima, p. 21, 22. 
Id. secunda, p. 21. 
Neaera abbreviata, p. 128. 
Id. clath ata, p. 128. 
Id. costellata, p. 127. 
Id. curta, p. 127. 
Id. cuspidata, p. 123. 
Id. Forbesi, p. 125. 
Id. marima, p. 126. 
Id. proboscidea, p. 126, 
Oudardia, p. lil. 
Oudardia compressa, p. 111. 
Id. var. obliquestricta, p. 112, 
Id. var. rectestriata, p. 111. 
Id. var. subquadrata, p. 111. 
Oxyperas, p. 26. 
PANDORIDAE, p. 120. 
Pandora, p. 130. 
Pandora granum, p. 130. 
Id. inaequivalvis, p. 130. 
Panomya ligustica, p. 46. 
Id. norvegica, p. 46. 
Panopaea acutangula, p. 46. 
Id. Aldovrandi, p. 41. 
Id. angusta, p. 45; 46. 
Id. Basteroti, p. 43, 44, 
Id. Bivonae, p. 43. 
Id. corrugata, p. 45. 
Id. declivis, p. 45. 
Id. Faujasi, p. 41, 43. 
Id. Gastaldii, p. 45. 
Id. glycymeriîs, p. 41, 42. 
Id. Heberti, p. 45, 46. 
Id. intermedia, p. 45. 
Id. Menardi, p. 43, 44. 
Id. norvegica, p. 43. 
Id. var. obliqua, p. 43. 
Id. Rudolphi, p. 42. 
Panopaea subalpina, p. 43. 
Id. 
Id. 
truncata, p. 43. 
turgida, p. 43. 
Pecchiolia, p. 131. 
Pecchiolia argentea, p. 131, 132. 
Id. 
Id. 
Id. 
Id. 
Id. 
eoargentea, p. 132. 
Gastaldii, 144, 
Meneghini, p. 131. 
miotaurina, p. 131. 
wemmelensis, p. 131. 
Peronaea, p. 109. 
Peronaea var. anterotunda, p. 110. 
Id. 
Id. 
bipartita, p. 110. 
ellipsoidea, p. 111. 
nitida, p. 110. 
planata, p. 109. 
RIFIGPSsa RE 110. 
7 
Petr icola foliosa, p. 1 
Id. 
Id. 
Id. 
fragilis, p. 116. 
lamellosa, p. 116. 
ochroleuca, p. 116. x 
Pharus, p. 17. 
Pharus legumen, p. 17. 
Id. 
Id. 
Id. 
var. major, p. 17. 
var. pliomagna, p. 17, 
saucatsensis, p. 17. 
Phaxas, p 18. 
Phaxas pellucida, p. 18, 
Pholadidea Brocchi, p. 55, 56. 
Id. 
rugosa, p. 86. 
PHOLADIDAE, p. 54. 
Pholas, p. 54. 
Pholas Brocchîi, p. 56. 
Id. 
Id. 
Id. 
candida, p. 54. 
dactylus, p, 54. 
dimidiata, p. 56. 
dorsalis, p. 55. 
hjans, p. 51, 52. 
Jouanneti, p. 54. 
palmulata, p. 54. 
pusilla, p. 55. 
rugosa, p. 56. 
semicauda, p. 54. 
PHOLADOMYIDAE, p. 141. 
Pholadomya, p. 14]. 
Pholadomya Agassizi, p. 141. 
Id. 
alpina, p. 141, 142, 143. 
arcuata, p. 142, 143. 
Canavarii, p. 148. 
candida, p. 141, 143. 
. t var. corbuloides, p. 141. 
cuneiformis, p. 142. 
Delbosi, p. 141. 
Esmarkii, p. 143. 
fidicula, p. 143. 
var. Fuchsii, p. 143. 
Puschi, p. 141, 142, 143. 
Puschi, p. 142, 159. 
var. gracilicosta, p. 142. 
hesterna, p. 143. 
Koninkii, p. 143. 
ludensis, p. 144. 
margaritacea, p. 142. 
margaritacea, p. 143. 
Meriani, p. 142. 
