42 BULLETIN OF THE BUREAU OF FISHERIES. 
In Vineyard Sound, the maximum surface temperature (69.3°) occurred near 
Nashawena Island, but such a temperature was quite exceptional in this portion of 
the Sound, as reference to the chart will show ata glance. With this exception, the highest 
temperatures are at the eastern end. At one station just beyond the western limits 
of Vineyard Sound (W) the surface and bottom figures were 60.3° and 55.0°, respectively. 
A rather abrupt fall in temperature is encountered in passing southwestward through 
the Sound when we reach the line passing from Robinson Hole to Kopeecon Point. 
The mean bottom temperatures for the portions of the Sound lying above and below this 
line are 67.35° and 60 24°, respectively (based upon chart figures only). As we shall 
find later, this lower temperature of the outer portion of the Sound is correlated with 
important differences in the bottom fauna. In Buzzards Bay the lowering of tempera- 
ture toward the mouth is less abrupt, and water colder than 64° occurs only near the 
extreme end. The water appears to be at no point as cold as it is on the other side of 
the Elizabeth Islands. 
TABLE 3.—ITEMPERATURE AND DENSITY: VINEYARD SOUND, NOVEMBER, 1907. 
Air Surface | Surface | Bottom | Bottom 
Temperature station. Date. Penne temper- | temper- | density | temper- 
ature. ature. |(atr5°C.).| ature. 
eR Ae IT eT ersiererete Else eo ecclente tere ele ieroretotere Nov. 12 8 39-0 50. 2 1.0240 51.1 I.0242 
Dae Beara eke erect sic inicie isis wisiolela’s eis ene eraretave noes Nov. 11 1% 47-0 51.4 I. 0237 51.6 I. 0241 
er ins o othe se eR Mh eT GOree.s 6 46.0 51.2 1.0238 51-4 I. 0241 
Da Ronni orice. cits Gan OC Uo DEBE nanan praca Ab ots lib c 00) Bonga 15 48.0 51-7 I. 0238 51-4 I. 0238 
aes Ree ee ere te ERT eM Cee Pe avareie ue orate Nov. 12 10 40.0 49-7 I. 0240 51.5 I. 0241 
GNTEPCACER oe ee cic sesso nistee etctnais teen's corsa ree Nov. 15 11% 37-5 49-7 I. 0240 50.3 I. 0240 
12 OR A COS Ot Rea Reon AD ORUIEE OM OTROS CORO DH aC eOOINccOeion Nov. 12 7 39-0 50. 7 I. 0242 50. 8 I. 0242 
aie Hie Pao cea ae as eae aes orator Sha wchs sheiarayaitacabes Nov. 11 12 49.0 51.2 I. 0238 51.4 I. 0238 
Gag aL CROC OABH SDS CGH Shae Goto dic aan Ca ouOoeSbpa ra © Nov. 12 Io 39- 5 51.1 1.0242 51.5 I. 0241 
Re as Bees es AEE, Ds era eee Sto intam costars os eres doses 13 40. 5 50. 6 T0240)! || ctsicleteisieier: I. 0241 
OES SRS AR: Ser CED EP GSanccancb ahaa aAR A is e's Nov. 11 5 49.0 51.2 I. 0238 51-4 I. 0238 
ES ase PE ab ha ies SR iat 08 SR rN oN Ae eT trees ah OE at Nov. 12 7 40. 5 51.1 I. 0240 51.8 I.0240 
Milrepeated). sentence tiesto cinch cceebrerels e raetom totes vaccye Nov. 15 7 39-0 49-7 I. 0240 50. 5 I. 0240 
a fail RAIN APR Pe ai BERRI Es ip TEP tin fA AP ptr Soka ee Oo Nov. 12 1% 39-0 51.1 I. 0241 Gres I. 0241 
Ore rere te Pee ean ee MIELE ae TEN Leervetererc OE Nov. 11 8 49-0 51.2 I. 0238 50.9 I. 0238 
| Stk AE ONIN? (NR A SL | eR ea AE: Aa yc ofA eh 1 a Nov. 12 r2? 42.0 51.2 I. O24 52.0 I. 0241 
(01 ie ena LE AEE tate Ft. Rei Cai ne 78 Lut EW er AA Se d0..0.: 834 41.0 50. 7 I. 0242 50. 5 I. 0240 
Fe toe cists aa Iatete alco essla Mean Site Sis eele soos less eins Tapeeoe teaser Nov. rr 8 49-0 51.7 I. 0238 5I.1 I. 0241 
(Le RS Se ee PR st EE I A Me tie Nov. 12 14 42.0 51-7 I. 0242 52.0 I. 0241 
U8 6 SRO BOAR SeeSo SOARES ICN cae re Se PFN Picatine pba pin -AO. no. 10% 41.0 50. 7 I. 0241 51.9 I. 0243 
1 ea eS AEM ea RS a aA ALCO Ate A Iseerdo wae 8 43.0 51.2 I. 0241 51-9 I. 0238 
WWE rete nah ietrctshiclcinis neti s cites cailele omiate na Melerelmna tener W500. ses 18 45-0 51.2 0243 52-0 I. 0241 
MVE DCATCU eas tones ara bhaee cosine cite cecrdec ae | Nov. 15 1744 40.0 50. I I.0240 51.6 I. 0241 
DW ratafasberovatete fie s-8 fase es a aiea\aichersie,s vojsna ohavdcc hip steno ei chews atsieke ale | Nov. 12 1% 39-5 51.2 I. 0241 52-5 I. 0244 
dee eT Cre c/o 5s tear ste Succi S emotes lncro a ena bes |: aGs seer 8% 41.5 50.9 I. 0241 52.0 I. 0242 
IN Ore AEN CURIE SEao ae MN Ate ary Seg eat Pe | cg ea ates A ia we sie 42. 64 50.90 | 1.02401 SI. 44 I. 02406 
