SCIENTHFIC RESULTS OF THE 
. The hook of a plate, from the side.* 33°. 
7. Salivary gland; a, duct; 6, posterior end. 
10. 
ll. 
13. 
14. 
15. 
16. 
a, pars pylorica intestini; b, vesica fellea; c, intestinum 
descendens. 
. Part of the vas deferens, with its stricture,* 19°. 
Acanthodoris pilosa (M.) var. brunnea albopapillosa. 
ab, Lancet-formed blades from the under side,* 12° 
a, Part of left; 6, of right lancet-formed blade; ec, adjoining 
part of the armature of the mouth,* 73°. 
. aa, Upper part of three lateral plates ; bb, two series of exter- 
nal plates; from the sheath of the radula,* 2?2. 
Acanthodoris pilosa (M.) var. albescens. 
Elements of the armature of the mouth,* 772. 
Isolated element,* 77°. 
Upper part ofa fatarat plate, from the outside,* 23°. 
Upper part of a lateral plate, from the inside,* #}°. 
PuatE V (XIII). 
Lamellidoris varians, Bergh. 
The central nervous system, obliquely, from the under side, 
* 55: a, ganglia cerebro-visceralia; bb, ganglia pedalia; &, 
gangl. penis and gangl. genitale; d, ganglia buccalia; ee, 
ganglia gastro-esoephagalia. The eyes and the otocysts 
visible. 
Acanthodoris pilosa (M.), var. albescens. 
. The bulbus pharyngeus, from the side; a, cuticula and the 
lancet-formed blades; bb, mm. retractores bulbi; c, the 
sucking-crop; d, salivary gland, above this the right buccal 
and gastro-cesophageal ganglion ; e, the sheath of the radula; 
/, the crop of the csophagus; g, continuation of the cso- 
phagus. 
. Lateral plates, from the outside,* 29°. 
. Part of the armature of the sper mabodinttsanitl its hooks,* “7°. 
