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CY OVYPRINA SAIBERNTOAL 8 ix 
k BS SO aR a SDS DART ee A ae, 
EPRODUCTIVE ORGANS, show an OVOTESTIS com jogad of an oval aggrega- 
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4 near the base of the long and slender VESICULA SEMINALIS ; the ALBUMEN GLAND 
e “nearly straight’ FRRE OVIDUCT, from, whose upper section the globose, short- 
~ Steramed sPERMATHECA arises; the SPERM-DUCT is. slender and- runs with the 
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REDON SS: BG Edy hs Wise, Pics Bee BRR US Ry CRG CR YY 
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‘Soy Rieck and 6.—Papille of Vitrina hibernica, showing two stages'of development. 
© | Fic. 5.—Reproductive organs of Vitrina hibernica after a dissection by Dr, Simroth. ) 
“et. ovotestis ; a/b.g7. albumen gland; ag. genital atrium ; BR a aah gland, enclosing papilla or. 
*—< dart; 4.d. hermaphrodite duct ; ox free oviduct 5 A. penis sheath; paz 
7.d. sperm duct; #/. uterus; wd. vas deferens; v7.5. vesicula seminalis. -- 
‘bs 
© with a short, crenulated. chitinous crown, hardened or Shrenebicne: Daniels 
_ rods, the length of the papilla varying in different specimens according to the 
bh neeclopmaent of the plants aii ook eee Se eS 
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itirms he has collected ‘and examined in. France. 
. deficieit'in the clearness:and accuracy essential to the presentation ‘of anatomical 
. détails, and the organs so misapprehended and misnamed, that little weight or 
ak fiaportance ean be attached to them.* ~ () ; i OS aa 
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Spi iGy 1.—Vitrina pirenaica Fén., natural size and enlarged (after. Férussac).~" 
-\ * Moreover, V. pyrenaica would appear. to be a really indeterminate or dubious 
+. species, as Férussae never described it, and so far as he is concerned the species is 
er only by his figures of the shell and’ the following precise~ description of 
the locality where it is supposed to have’ been found :—Helicolimax’ ‘pyrenaica 
nobis, pl. ixs, f: 3—Habit les Pyréneés'& 200 ou 300 toises-au dessus des Eaux 
© Bonnes, vallée d’Ossian pres de 'Pie-<du Midi,” ~~ e 
| Abbe Dupuy, a celebrated and enthusiastic eonchologist, and author of one of 
2 the most important standard works*on the Mollusea: of France, who lived within 
cis of the published locality, regarded. Vo pyrenaica as a myth, .stating that 
~ althongh he had often and apecnonelyacmne’ expressly for it on the precise and 
only spot indicated by Férussac, he had only found ve beryllina or /V: elongata 
~ there, and seems) inclined to tegard the illustrations as unprécise figures of the 
~ former species ; while Mv Mermet, who so especially and thoroughly studied the 
*. molluscan fauna of the Western Pyrenees, could never find and. indeed never 
Ae by Moqnin-Tandon, déseribes V. pyrenaica in -his work, bub appears to have done 
“so: without, personal knowledge, as his enumeration of the places in which it is.said 
~ to be found, lack his sual mark of personal. verification, and, further, his figure 
\ shows:a much more globose and less degenerate shell than our V. hiberniea. 
- "We are, therefore, compelled to conclude that no valid grounds exist for the 
* 
; Saw. the species: _ 
- with presented, the Irish shells must be known as V. hiberniou.. 
4s lobulated and ample ; the “OvipucT is ‘saceulated.and folded, continuing as a’ 
* sacculate oviduct, being continued as the VAS DEFERENS to the short and stout’ 
Pap: papilla’; sP..spermatheca ; 
~Anclusion of V. pyrenaica amiongst the Lrislr species, and that on the evidence here- 
n of acini; the HERMAPHRODITE DucT is short and almost direct, terminating. ; 
PENIS sinatn which it enters about midway; the DART GLAND is @ long eon: 
“spicuous organ, glandular at the distal end, and containing a papilla or dart, -* 
> The anatomical drawings papas to establish this-contention are, however, so | 
2’ Farther, the V. ‘pyrenaict, as figured by Férussac, 1s certainly. not referable to 
our Trish shell, as a comparison of the figures here given, will show. The shell is’. 
~ much larger, the coiling is appreciably less, and the degradation’ of structure is _ 
- much further-advanced in V. hibernica, while the-whole eontour of the shell is. 
~~. The Revs. E. W. W.-Bowell ‘has. recently. published an account of the Irish’ 
a specimens, regarding them as decidedly referable to V,, pyrenaica Fér., which he 
