BLOOD-VASCULAR SYSTEM OF THE LORICATI I29 
49. Left hepatic artery, L.Hep.A. Small artery resembling 
the hepatic artery, Monroe; Desc. by C. & V. and Miiller; 
Arteriz hepatice, Hyrtl and Stannius; Hepatic artery, McKen- 
zie; Left hepatic artery, Parker; Leberarterie, V. & Y. 
50. Mesenteric artery, Mes.A. An artery resembling our 
superior mesenteric artery, Monroe; Arteria mesenterica anter- 
ior, Hyrtl and Stannius; Arteria celiaca, Emery (?); Mesen- 
teric artery, Parker; Baucharterie, V. & Y. (?). 
51. Myelonal artery, My.A. Myelonal artery, Parker. 
52. Myelonal vein, My.V. Not vena neuralis of Owen; 
Myelonal vein, Parker. 
53. WVeural arteries, Neu.A. Arteria spinales, Hyrtl; Neu- 
ral arteries, McKenzie; Spinal arteries, Parker. 
54. WVeural veins, Neu.V. Neural veins, Owen and Mc- 
Kenzie; Spinal veins, Parker. 
55. LVutrient branchial artertes, N.Br.A. Nutrient branch- 
ial arteries, Parker. 
56. Wutrient branchial veins, N.Br.A. Venez nutritiz der 
Kiemenbogen, Miller; Venz nutritie, Stannius and Owen; 
Nutrient branchial veins, Parker. 
57. LVutrient filament artertes, N.Fil.A. Bronchialarterien, 
Miller; Arteria bronchialis, Stannius; Arteriz nutritize, Owen. 
58. WMutrient filament veins, N.Fil.V. Bronchialvenen, Mil- 
ler; Vena bronchiales, Stannius. 
59. Ophthalmic artery or Efferent pseudobranchial artery, 
Oph.A. Arteria ophthalmica magna, Miller and Stannius; 
Ophthalmic artery, Owen; Desc. and Fig., Emery; Ophthal- 
mica magna, McKenzie; Ophthalmic artery, Parker ; Efferent 
pseudobranchial artery, Allis. 
60. Ophthalmic vein, Oph.V. Vena ophthalmica magna, 
Miller and Stannius; Desc. and Fig. Emery. 
61. Optic or Retina artery,Opt.A. Die Gefasse der Retina 
und der Hallenschen Gefasse, Miller; Arteria ottalmica, 
Emery (?); Optic artery, Allis. 
62. Orbito-nasal artery, O.N.A. Zweige zu den Augen- 
muskeln und zur Nase, Miller; Arteria etmoidale, Emery ; 
Augenarterie, V. & Y. 
Proc. Wash. Acad. Sci., June, 1905. 
