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C. H. DANFORTH 



ABBREVIATIONS 



a.bi., terminal bifurcation of afferent 



branchial arteries 

 a.br.a. (1, 2, S, 4), afferent branchial 



artery 

 a.br.e. {1, 2, 3, 4), efferent branchial 



artery 

 o.cc, common carotid 

 a.ce., external carotid 

 a.ci., internal carotid 

 a.co-ca., arteria coraco-cardiaca 

 a.coe., coeliac artery 

 a.com., branch of external carotid to 



region of pseudobranch 

 a.co-me, coeliaco-mesenteric artery 

 a.cn., artery of heart 

 a.cor., coronary artery 

 a.dor., dorsal aorta 

 a. eps., efferent pseudobranchial artery 

 a. fa., facial artery 

 a. fg., artery to the F-shaped groove 



of Bridge 

 a.fil.a., afferent filamentar artery 

 n.fil.e., efferent fiamentar artery 

 a.fil.s., basal branch oi afferent fila- 



metitar artery 

 a.fil.tr., transverse filamentar artery 

 a.fil.x., network of filamentar branches 

 a.hb. {2, 3, 4), hypobranchial artery 

 a.hb.y., a terminal branch of median 



hypobranchial artery 

 a.he.a., anterior hepatic artery 

 a.he.p., posterior hepatic artery 

 a.hy., afferent hyoidean artery 

 a.hyo., hyoopercular artery 

 a. an., innominate artery 

 a.lhb., Ihb.', Ihb.", Ihb.'", Ihb."" possi- 



ple rudiments of lateral hypobran- 

 chial arteries 

 a.md., afferent mandibular artery 

 a.mhb., median hypobranchial from 



second recurrent arteries 

 a.mhb.', median hypobranchial from 



fourth recurrent arteries 

 a.nu., nutrient artery of gill 

 a.om., arteria ophthalmica magna 

 a.on., orbitonasal artery 



a. op., ophthalmic branch of orbitonasal 

 artery 



a. pa., parietal arteries 



a.ph., pharyngeal branch of second 

 efferent artery 



a.rc, recurrent branch of afferent 

 branchial artery 



a.re., artery to kidney 



a.rec, rectal artery 



a.ret., arteria retinalis 



a.sc, subclavian artery 



a.sp., subpericardial branch of cor- 

 onary artery 



a.spL, splanchnic artery 



a.sthy., artery to the m. sternohyoideus 



a.ihd., arteria thoracico-dorsalis (?) 



a.thv., arteria thoracico-ventralis (?) 



au., auricle 



bd., bile duct 



6?'., branchiostegal ray 



c.br., branchial cartilage 



c.cer. (1, 2, 3, 4) , ceratobranchial carti- 

 lage 



c.ch., ceratohya cartilage 



c.co. (1,2,3), copulae 



c.ep. (1,2,3,4), epibranchial cartilage 



c.fi., filamentar cartilage 



c.hyb. (1,2,3,4), hypobranchial cartilage 



c.hyh., hypohyal cartilage 



c.hyo., hyomandibular cartilage 



c.ih., interhyal cartilage 



c.mc, Meckel's cartilage 



c.pbr. (pbr.' pbr."), pharyngobranchial 

 cartilages 



c.sym., symplectic cartilage 



ca., caeca 



CO., coelom 



con., conus arteriosus 



div., spiracular diverticulum 



gb., gall bladder 



gr., gill rakers 



hb.a., anterior hemibranch 



hb.p., posterior hemibranch 



I., liver 



lig., longitudinal ligament of dorsal 

 aorta 



