ANATOMY OF THE DANAIS BUTTERFLY 



307 



etc 



-Jnut 



FIG. 311. Trans verse section of the proventric- 

 ulus of Grylluv einerews : rnuc. muscular walls ; 

 r, horny ridge between the large teeth (*//). 

 After Minot. 



cvrv 



cut 



FIG. 310. 



Fi. 312. Transverse section of the pro- 

 ventriculus of the cockroach. After Miall and 

 Denny. 



FIG. 310. Anatomy of Duixiix <t>\-h ///////* 

 after removal of ri<rht half of the body. Letter- 

 ing of the head: it. antenna : /</<. pharynx; 

 pi. labial paipi : /. probo^-i- ; /. brain: //.;/. 

 Bnboesophageal $ran<rli<m. Leitei-iii<j <>f Hit 

 thorny : I. II. III. thoracic st'jriiu'iit> : l> t . 1>. 1' 3 . 

 the coxal joints of the tlnvf |i:iii> cif l.-i;-^ : /mi, 

 muscles of the \vin<rs : <n\ cejihalic aorta with 

 its swelling; ?, oesoph;i{;ns ; '/(/, thoracic jranjr- 

 lia of the ventral cord : K</. salivary jrlands nf 

 one side, those of the other >id.- cut "ft' near 

 their entrance into the common salivary duct. 

 LetteriiKj iff/it (ildoinen : 1-9, abdominal scjr- 

 ments ; /*, heart ; xm, so-called sucking-stomach 

 (food-reservoir) ; cm, chyU'-stomnch ; /;;/. ab- 

 dominal <ran<rlia : ><!, hind intestine with colon 

 (c) and rectum (>): rm. urinary ves>.-ls: ur, 

 ovarial tubes, those of the riirht side cut off; 

 ore, terminal filaments of the ovaries ; In-, biirsa 

 copulatrix : /. its outer aperture; ml, ovi- 

 duct; rug, vajrina ; , its out<-r :i|..-rture ; 

 dil. plandular appendages of the vagina partly 

 cut away; rk, connective canal between the 

 vairina and bursa copulatrix with swellini. r (re- 

 ceptaculum seminisi; an, anus. After Bur- 

 gess, from Lang. 



