300 NEW YORK STATE MUSEUM 



PLATE 9 



Arteries 



Circulatory system, 1 auricle; 2 ventricle; S posterior aorta; 

 Jf anterior aorta; 5' artery to albumen gland; S" artery 

 to digestive gland; 6 artery to stomacli; 7 artery to her- 

 maphroditic duct; 8 artery to uterine canal and sper- 

 matic duct; 9 artery supplying muscular collar, pedal 

 muscles and crop; 10 artery to pedal muscles; 11 artery 

 to muscular collar; 12 artery supplying crop; IS arteries 

 to salivary ducts; IJf artery to base of foot; 15 artery 

 supplying nerve commissures; 16 arteries to the tenta- 

 cles; i6' artery to buccal body; It artery to vagina; 18 

 artery to the penis; 19 artery to the intestine; 20 artery 

 to the ovotestes. 



PLATE 10 



Fig. 



1 1 Pericardial cavity; 2 auricle; 3 ventricle, x 6. 



2 Showing the stomach and under or inner face of the digest- 



ive gland, and the arteries supplying that part of the ani- 

 mal: i auricle; 2 ventricle; S stomach; ^ intestine; 5 ducts 

 of digestive gland; 6 artery to the smaller or superior 

 lobe of the digestive gland; 7 arteries to the ovotestes; 

 8 kidney; 9 rectum; 10 digestive gland, x 3. 



3 The outer part of the digestive gland and its arteries. 



The numbering has the same signification as in figure 2. 



4 The stomach and its arteries, x 3. 



5 The crop and salivary gland and their arteries, x 3. 



6 Showing the arteries of the ceca of the ovotestis. 



Fig. 



PLATE 11 



1 An enlargement showing the heart and the veins of the 

 pulmonary cavity: 1 auricle; 2 ventricle; S the large pul- 

 monary vein leading to the auricle; 4 the afferent veins; 

 5 the efferent veins; 6 the large vein or venous sinus in- 

 circling the pulmonary cavity. 



