Camallanus americanus no. spec. : a morphological monograph on a nematode species

Front matter

CAMALLANUS AMERICANUS NOV. SPEC.

A MORPHOLOGICAL MONOGRAPH ON A NEMATODE SPECIES

BY

Part 2

V. SPECIAL ANATOMY 46 a. Thickness

b. Striations

c. Structure

d. Cuticula at different stages

e. Staining properties

f » Chemistry of cuticula .

ii ii. Subcuticula and longitudinal lines --------55

A. Female

a. Subcuticula

b. Longitudinal lines

B. Male

iii. The excretory system ---------------63

iv. The somatic musculature ------------- 72 b. Caudal region of the male

c. Histology of the somatic muscles

d. Comparisons with other species

e. Schneider's nematode divisions a. The intestinal muscles

b. Mus cuius ani

vi. The digestive tract ---- --------- 85

A. The oral apparatus

a. Historical

b. Discription of oral apparatus in C^ americanus

c. Composition of the apparatus

d. Mechanism and physiological significance

B. The esophagus b. Anterior region

c. Posterior region

d. Esophageal gland c. Esophageal valve

C. Intestine

D. The rectum and cloaca b. In the female

c. In the male

d. Cloaca

e. Interpretation of the structures of this region

E. Food viii. Reproductive organs --------------- 126

A. Female organs b . Ovary

c. Oviduct

d. Uterus iii e. Ovijector

f. Vulva

B. Larvae

C. Male organs b. Testis

c . Seminal vesicle

d. Ductus e jaculatorius and spermatozoa

e. Spicular apparatus aa. Spicula

bb. Extensor muscles cc . Retractor muscles ■ dd. Spicular canal

A. Anterior nervous system

B. Longitudinal nerves

C. Caudal nervous system of the female

D. Caudal nervous system of the male

E. Sensory endings b. Posterior ribs of male

c. Cervical papillae i. General appearance

ii. Table of measurements

iii. Reproductive organs

iv. Oral apparatus

v. Summary - Part 3. Importance of the species

VII. SUGGESTED POSSIBILITIES FOR NEMATODE CLASSIFICATION 168

XII. VITA 235