Table B. 
Habitat 
Length and width... 
Sete 8 and 4 
COLT Pyare critic crc BOP 
Tubercula pubertatis. . 
Spermiducal pore.. 
Spermathece . 
Sperm-sacs . 
Prostates 
Anterior nephridia 
commence in.... 
Septal glands in . 
Parietal celomic 
gland iniii.... 
Blood sinus in the 
sacculated intestine... . 
FL EG LB) Ss on cites 
Capillaries on the ne- 
phridia and in the 
body-wall 
England, Thames. 
7 to 10 cm. 
Ventral. 
4xv-hxxv. 
xvil—xxii, ventral to 
spermiducal pore. 
Between xyiii/xix, dor- 
sal to tubercula puber- 
tatis; so are the sperm- | 
duets. 
Slender; one pairin each 
of somites vii, viii, ix; | 
ventral in line with | 
3 and4. 
In xi and xii, minutely 
lobulate. 
Not present. 
xiii. 
iv, v, vi; the posterior 
are the largest. 
Absent. 
Continuous. 
viii, ix, x, xi; not filling 
the ecelomie cavity. 
Very numerous. 
Eiseni Smith. 
| Illinois River, U.S. A. 
18 to 20 cm. by 2 mm. 
Dorsal, 
Dorsally {xv-xxv; 
ventrally 4xiy—xxvi. 
dxvii-}xxii, ventral to 
the spermiducal pore 
and to the spermducts. 
On anterior part of xix, 
dorsal to the tubercula 
pubertatis; so are the 
spermducts. 
One pair in each of so- 
mites vii, viii, ix, dor- 
sal in line with 3 and 
4; slender. 
In xi and xii, minutely 
lobulate. 
Four pairs in xxiii-xxyi. 
xiii. 
iv, v, vi. Those in iv 
and y about equal size; 
the one in yi is very 
diminutive. 
One pair of glands open 
in front of ventral sete 
in iii; distal end ex- 
tending into iy. 
Continuous. 
In viii, ix, x, xi not fill- 
ing the celom, 
Very numerous. 
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COMPARATIVE CHART OF SPECIES OF SPARGONOPHILUS. 
To face page 154. 
Benhami un. sp. 
Tepic, Mexico; 4,000. 
17 em. by 24 mm. 
Dorsal. 
Dorsally xv-4}xxv; 
ventrally xvii-xxvi. 
xvili-xxii, ventral to 
spermiducal pore and 
to spermduct. 
On anterior part of xix, 
dorsal to tubercula pu- 
bertatis. 
Robust, trowel-like, with 
wavy outline; one pair 
in each of somites vii, 
viii, ix; dorsal. 
xi, xii, less minutely 
lobulate. 
Four pairs, one each in 
xxiii-xxvi; a long mus- 
cular basal duct. 
xii. The first two pairs 
smaller; the first large 
pair in xiv. 
iy, v, vi. About equal 
in size. 
None. 
Continuous. 
viii, ix, x, xi, not filling 
the celom. 
Very few. 
guatemalensis n. subsp. 
Guatemala. 
10 cm. by 2 mm. 
Dorsal. 
xvi-xxvi. 
carneus n, subsp. 
Mississippi River, Iowa. 
9 cm. by 2 mm. 
Dorsal. 
Dorsally xv-xxiv; 
ventrally ? 
Parallel ridges, xviii-xxii 
Robust, trowel-shaped, 
with smooth outline, 
in vii, vili, ix. 
Four pairs in xxiv, xxv, 
XXvi, xxvii. 
viii, ix, x, xi, not filling | 
the celom. 
Dorsal, one pair in each 
of somites vii, viii, ix. 
Apical end globular, 
not trowel-like. 
xi and xii, lobulate, but 
not minutely so, as in 
Sp. Hiseni. 
| a . 
Present; four pairs in 
xxiii, xxiv and prob- 
ably in xxy and xxvi. 
iv, v, vi; the one in yi 
the smallest. 
None. 
viii, ix, x, xi, completely 
filling the celom. 
Numerous and large; on 
the body-wall very nu- 
merous in the six an- 
terior somites. 
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Smithi n. sp. 
Laguna Puerca, San 
Francisco, California. 
20 cm. by 34 mm.(or less) 
Dorsal. 
Dorsally 4xvi- xxviii; 
yentrally xix-xxy. 
xix-xxvii, dorsal to 
spermiducal pore. 
Between xyiii/xix, ven- 
tral to tubereula pu- 
bertatis. 
Slender; four pairs (8) 
in each of somites vii, 
viii, ix, dorsal and lat- 
eral; one pair only in 
vi dorsal. 
xi and xii, more lobulate 
than in Benhami, but 
less so than in Eiseni. 
Three pairs, one each in 
somites xii, xiii, xiv; 
no muscular duct. 
xvi. 
In iv, v, vi, vii; about 
equal in size. 
None. 
Not continuous. 
viii, ix, x, xi, quite small, 
not filling the celom. 
Numerous, giving the 
nephridia a pink color. 
sonome n. subsp. 
Sonoma Valley, California 
25 to 30 cm. by 3} mm. 
Dorsal. 
Dorsally xvii-xxviii; 
ventrally xvi-xxix. 
xix-xvill, dorsal to 
spermiducal pore and 
to spermduct. 
Between xviii/xix, ven- 
tral to tubercula puber- 
tatis. 
One pair in yi; two pairs 
(4) in each of somites 
Vii, vill, ix; not slender. 
xi and xii, more lobulate 
than Benhami, but less 
than Hiseni. 
Three pairs in xxii, xiii, 
xly. 
xvi. 
iv, v, vi, vii, about equal 
in size. 
None. 
Not continuous. 
Viii, ix, x, xi, quite small, 
not filling the ceelom. 
Very numerous. 
